POTOMAC FUNDS
497, 1999-03-01
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                                   PROSPECTUS
 
                                     [LOGO]
 
                             100 South Royal Street
                           Alexandria, Virginia 22314
 
                             550 Mamaroneck Avenue
                            Harrison, New York 10528
 
                                 (800) 851-0511
 
      The Potomac Small Cap Plus Fund (the "Fund") is a separate investment
portfolio of the Potomac Funds (the "Trust"), a no-load management investment
company or mutual fund. The Fund is designed principally for experienced
investors many of whom employ an asset allocation strategy. The Fund is not
designed for inexperienced or less sophisticated investors.
      The Fund seeks to provide investment returns that correspond to 125% of
the performance of the Russell 2000 Index.-TM- The Fund may engage in certain
aggressive investment techniques including transactions in options and futures
contracts. It also may use the speculative technique known as leverage to
increase funds available for investment. See "Special Risk Considerations."
Investors in the Fund may experience substantial losses during sustained periods
of falling equity prices. The Fund alone does not constitute a balanced
investment plan, and investments in the Fund involve special risks not
traditionally associated with investment companies, including significant
portfolio turnover. There can be no assurance that the Fund will achieve its
investment objective.
      Investors should read this Prospectus and retain it for future reference.
This Prospectus is designed to set forth concisely the information an investor
should know about the Fund before investing. A Statement of Additional
Information ("SAI"), dated February 16, 1999, containing additional information
about the Fund,
 
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has been filed with the Securities and Exchange Commission ("SEC") and is
incorporated herein by reference. A copy of the SAI is available, without
charge, upon request to the Fund at the address or telephone number above.
      The SEC maintains a Web site (http://www.sec.gov) that contains the SAI,
material incorporated by reference and other information regarding the Fund.
      THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION NOR HAS THE
SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED
UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
CONTRARY IS A CRIMINAL OFFENSE.
 
                       Prospectus dated February 16, 1999
 
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2
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                 ---------------------------------------------
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            Page
 
<S>                                                                         <C>
PROSPECTUS SUMMARY........................................................    3
 
FEES AND EXPENSES OF THE FUND.............................................    5
INVESTMENT OBJECTIVE AND POLICIES.........................................    6
SPECIAL RISK CONSIDERATIONS...............................................    7
INVESTMENT TECHNIQUES AND OTHER INVESTMENT POLICIES.......................    9
PORTFOLIO TRANSACTIONS AND BROKERAGE......................................   13
HOW TO INVEST IN THE FUND.................................................   13
TAX-DEFERRED RETIREMENT PLANS.............................................   14
REDEEMING SHARES (WITHDRAWALS)............................................   14
EXCHANGES.................................................................   15
PROCEDURES FOR REDEMPTIONS AND EXCHANGES..................................   16
DETERMINATION OF NET ASSET VALUE..........................................   17
PERFORMANCE INFORMATION...................................................   17
DIVIDENDS AND OTHER DISTRIBUTIONS.........................................   18
TAXES.....................................................................   18
MANAGEMENT AND ADMINISTRATION OF THE FUND.................................   19
GENERAL INFORMATION ABOUT THE TRUST AND FUND..............................   20
</TABLE>
 
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                               PROSPECTUS SUMMARY
 
      The Potomac Small Cap Plus Fund seeks to provide investment returns that
correspond to 125% of the performance of the Russell 2000 Index-TM- ("Russell
2000"). In attempting to achieve its objective, the Fund may invest in
securities included in that index and may enter into long positions in stock
index futures contracts, options on stock index futures contracts and options on
securities and on stock indices. In contrast to the returns of a mutual fund
that seeks to approximate the return of the Russell 2000, the Fund may produce
gains greater than that return during periods when the prices of securities
included in the Russell 2000 are rising and below that return during periods
when such prices are declining. Investors in the Fund may experience substantial
losses during sustained periods of falling U.S. equity prices. The Fund also
will invest in short-term debt securities. There is no guarantee that the Fund
will achieve its investment objective.
 
SPECIAL RISK CONSIDERATIONS
      The Fund may engage in certain aggressive investment techniques, including
investing in futures contracts and options on securities, stock indices and
futures contracts. As discussed more fully under "Investment Objective and
Policies," "Special Risk Considerations" and "Investment Techniques and Other
Investment Policies," these techniques are specialized and involve risks not
traditionally associated with investment companies.
      The Fund expects that a substantial number of its investors will be
experienced and will invest as part of an asset allocation investment strategy.
These shareholders likely will
 
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                                                                               3
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redeem or exchange their Fund shares frequently to take advantage of anticipated
changes in market conditions. The strategies employed by Fund investors may
result in considerable assets moving in and out of the Fund and, consequently, a
high portfolio turnover rate. A high portfolio turnover rate generally causes
the Fund to incur higher expenses and additional costs and may adversely affect
the ability of the Fund to meet its investment objective.
      The Fund may borrow money from banks for investment purposes, which is a
form of leveraging. This leverage will magnify the gains and losses on the
Fund's investments and the changes in the Fund's net asset value per share. The
Fund may borrow money for temporary or emergency purposes and to meet redemption
requests without immediately selling portfolio securities.
      While the Fund does not expect its returns over a twelve-month period to
deviate from its current benchmark by more than 10%, certain factors may affect
its ability to achieve this correlation.
      Under certain circumstances, trading on an exchange may be halted or
closed early, resulting in the Fund being unable to execute buy or sell orders
that day. If that occurs and the Fund needs to execute a high volume of trades
on that trading day, it may incur substantial trading losses.
 
PURCHASES, REDEMPTIONS, AND EXCHANGES OF FUND SHARES
      The minimum initial investment is $10,000, which can be allocated in any
amounts among any of the six portfolios of the Trust, including the Fund. Please
call (800) 851-0511 to obtain a prospectus for the Trust's other portfolios.
Fund shares may be purchased and redeemed without any sales or redemption
charges at the Fund's next determined net asset value. Fund shares may be
exchanged at any time for shares of any other portfolio of the Trust, on the
basis of the relative net asset values next computed, without charge. Exchanges
must be for at least the lesser of $1,000 or the entire account balance for the
Fund from which the exchange is made. Because of the administrative expense of
handling small accounts, the Trust reserves the right to redeem involuntarily an
investor's account, including a retirement account, that falls below the minimum
investment of $10,000 in total value in the Trust due to redemptions. The Trust
reserves the right to modify its minimum investment requirements and the
corresponding amounts below which an involuntary redemption may be effected. See
"How to Invest in the Fund," "Redeeming Shares (Withdrawals)" and "Procedures
for Redemptions and Exchanges."
 
INVESTMENT ADVISER
      Rafferty Asset Management, LLC ("Adviser") serves as the Fund's investment
adviser. The Adviser has been registered as an investment adviser since June
1997. Lawrence C. Rafferty controls the Adviser.
 
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4
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                         FEES AND EXPENSES OF THE FUND
 
      The following table illustrates the various expenses and fees that a
shareholder of the Fund may incur either directly or indirectly. The Fund's
total operating expenses, including Other Expenses, are based on estimated
amounts for the fiscal year ending August 31, 1999.
 
                         ANNUAL FUND OPERATING EXPENSES
 
<TABLE>
<CAPTION>
                                                                     Total Fund
                      Management      Rule 12b-1        Other         Operating
                         Fees#           Fees+        Expenses#      Expenses#*
                    ---------------  -------------  -------------  ---------------
<S>                 <C>              <C>            <C>            <C>
Small Cap Plus
  Fund:                     0.75%           None           0.73%           1.48%
</TABLE>
 
- ------------
 #    The Adviser voluntarily will waive its fees and, if necessary, reimburse
      the Fund to the extent that annual operating expenses exceed 1.50% of the
      Fund's average daily net assets.
 
 +    The Fund has adopted a Rule 12b-1 Distribution Plan; however, the Board of
      Trustees has not authorized payment of any fees pursuant to such Plan. See
      "General Information about the Trust and Fund -- Distribution of Fund
      Shares" below.
 
 *    You will be charged $12.00 per wire redemption to cover transaction costs.
 
                                    EXAMPLE
 
      Assuming a hypothetical investment of $1,000 in the Fund, a 5% annual
return, and redemption at the end of each time period, an investor in the Fund
would pay transaction and operating expenses at the end of each period as
follows:
 
<TABLE>
<CAPTION>
                                  1       3
                                Year    Years
                                -----   -----
<S>                             <C>     <C>
Small Cap Plus Fund             $ 15    $ 47
</TABLE>
 
      The preceding table of fees and expenses is provided to assist investors
in understanding the various costs and expenses that may be borne directly or
indirectly by an investor in the Fund. The 5% assumed annual return is for
comparison purposes only. THE FOREGOING EXAMPLES SHOULD NOT BE CONSIDERED A
REPRESENTATION OF PAST OR FUTURE EXPENSES OR PERFORMANCE. ACTUAL EXPENSES MAY BE
GREATER OR LESS THAN THOSE SHOWN AND PERFORMANCE MAY BE BETTER OR WORSE THAN THE
5% ANNUAL RETURN ASSUMED IN THE EXAMPLES. For additional information about the
Fund's fees, see "Management and Administration of the Fund" in this Prospectus
and in the SAI.
 
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                                                                               5
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                 ---------------------------------------------
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
      The investment objective of the Fund is to provide investment returns that
correspond to 125% of the performance of the Russell 2000. In attempting to
achieve its objective, the Fund may enter into long positions in stock index
futures contracts, options on stock index futures contracts, and options on
securities and on stock indices. Under these techniques, the Fund generally will
incur a loss if the price of the underlying security or index decreases between
the date the Fund initially entered into the transaction and the date on which
the Fund terminates its position. The Fund also may invest in shares of
individual stocks that are included in the Russell 2000. The Fund also may
invest in U.S. Government securities in order to deposit such securities as
initial or variation margin, as "cover" for the investment techniques it
employs, as part of a cash reserve and for liquidity purposes.
      In contrast to a mutual fund that seeks to approximate the return of the
Russell 2000, the Fund may produce greater returns than such a fund during
periods when the prices of the securities in the Russell 2000 are rising and
lower returns than such a fund during periods when the price of securities are
declining. Investors in the Fund may experience substantial losses during
sustained periods of falling U.S. equity prices.
      The Fund is designed principally for experienced investors who intend to
follow an asset allocation investment strategy. The Fund is not designed for
inexperienced or less sophisticated investors. The Fund seeks investment results
that correspond over time to the Russell 2000.
      The Adviser uses a number of investment techniques in an effort to
correlate the Fund's return with the return of its respective benchmark. The
Adviser generally does not use fundamental securities analysis to accomplish
such correlation. Rather, the Adviser primarily uses statistical and
quantitative analysis to determine the investments the Fund makes and techniques
it employs. While the Adviser attempts to minimize any "tracking error" (the
statistical measure of the difference between the investment results of the Fund
and the performance of its benchmark), certain factors will tend to cause the
Fund's investment results to vary from a perfect correlation to its benchmark.
The Adviser, however, does not expect that the Fund's total returns will vary
from its current benchmark by more than 10% over a twelve-month period. See
"Special Risk Considerations -- Tracking Error." It is the Fund's policy to
pursue its investment objective regardless of market conditions, to remain
substantially fully invested and not to take defensive positions. However,
because of the difficulty in tracking the Fund's benchmark with a small amount
of net assets, the Advisor will invest the Fund's assets in short-term U.S.
Government securities until the Fund's net assets reach $10 million. As a
result, the Fund may not achieve its investment objective during this period.
      The Fund's investment objective is not a fundamental policy and may be
changed by the Board of Trustees ("Trustees" or the "Board") without shareholder
approval. Certain investment restrictions of the Fund are fundamental policies
and may not be changed without the affirmative vote of at least the majority of
the outstanding shares of the Fund, as defined in the Investment
 
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6
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Company Act of 1940, as amended (the "1940 Act"). All other investment policies
of the Fund not specified as fundamental may be changed by the Board of Trustees
of the Trust without shareholder approval. There can be no assurance that the
Fund will achieve its objective. For a discussion of the instruments the Fund
may use, see "Investment Techniques and Other Investment Policies."
 
THE BENCHMARK
      RUSSELL 2000 INDEX.-TM- The Russell 2000 is comprised of the smallest 2000
companies in the Russell 3000 Index. The smallest 2000 companies represent
approximately 11% of the Russell 3000 in total market capitalization. Currently,
the average market capitalization of the companies included in the Russell 2000
is between $500 million and $750 million.
 
                    ----------------------------------------
                          SPECIAL RISK CONSIDERATIONS
 
      The following factors may be important in determining the appropriateness
of investing in the Fund.
      AGGRESSIVE INVESTMENT TECHNIQUES. The Fund may engage in certain
aggressive investment techniques that may include investing in futures contracts
and options on securities, securities indices, and futures contracts. In doing
so, a significant portion of the Fund's assets will be held in an account
consisting of cash or liquid assets as "cover" for these investment techniques.
      The use of options, futures contracts, options on futures contracts,
forward contracts and the investment in indexed securities, involve special
risks, including (1) imperfect or no correlation between the price of options
and futures contracts and the movements in the price of the underlying
securities, indices, or futures contracts, (2) possible lack of a liquid
secondary market for any particular instrument at a particular time, (3) the
fact that the skills needed to use these strategies are different from those
needed to select portfolio securities, (4) losses due to unanticipated market
price movements, (5) incorrect forecasts by the Adviser concerning the direction
of price fluctuations of the investment involved in the transaction, which may
result in the strategy being ineffective, (6) loss of premiums paid by the Fund
on options it purchases, and (7) the possible inability of the Fund to purchase
or sell a portfolio security at a time when it would otherwise be favorable for
it to do so, or the possible need for the Fund to sell a portfolio security at a
disadvantageous time, due to the need for the Fund to maintain "cover" or to
segregate assets in connection with such transactions and the possible inability
of the Fund to close out or liquidate its position.
      These instruments may increase the Fund's volatility and may involve a
small investment of cash relative to the magnitude of the risk assumed. In
addition, these instruments could result in a loss if the counterparty to the
transaction does not perform as promised or if there is not a liquid secondary
market to close out a position that the Fund has entered into.
      The ordinary spreads between prices in the cash and futures markets, due
to the differences in the natures of those markets, are subject to distortion.
Due to the possibility of distortion, a correct forecast of stock market trends
by the Adviser may still not result in a successful transaction. The Adviser may
be incorrect in its expectations as to the extent of
 
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                                                                               7
<PAGE>
stock market movements or the time span within which the movements take place.
      Options and futures transactions may increase portfolio turnover rates,
which results in correspondingly greater commission expenses and transaction
costs and may result in certain tax consequences.
      New financial products and risk management techniques continue to be
developed. The Fund may use these instruments and techniques to the extent
consistent with its investment objective and regulatory requirements applicable
to investment companies. For further information regarding these techniques, see
"Investment Techniques and Other Investment Policies" below.
      PORTFOLIO TURNOVER. The Fund anticipates that its investors frequently
will redeem Fund shares, as well as exchange their Fund shares for shares of
another portfolio of the Trust. The Fund may have to dispose of certain
investments in order to maintain sufficient liquid assets to meet such
redemption and exchange requests, thereby causing a high portfolio turnover
rate. Because the Fund's portfolio turnover rate will depend largely on the
purchase, redemption, and exchange activity of its investors, it is difficult to
estimate what the Fund's actual turnover rate will be. Based on the formula
prescribed by the SEC, the Fund's portfolio turnover rate is calculated without
regard to securities, including options and futures contracts, having a maturity
of less than one year. The Fund will hold most of its investments in options and
futures contracts, which are excluded from the portfolio turnover rate
calculations. If, however, options and futures contracts were included in such
calculation, it is expected that the Fund's portfolio turnover rate would be
approximately 500%.
      A higher portfolio turnover ratio would likely involve correspondingly
higher brokerage commissions and other expenses borne by the Fund. Such higher
expenses can adversely affect the ability of the Fund to achieve its investment
objective.
      BORROWING. The Fund may borrow money from banks for investment purposes,
which is a form of leveraging. This leverage will magnify the gains and losses
on the Fund's investments and on changes in its net asset value. Leverage also
creates interest expenses -- if those expenses exceed the return on the
transactions that the borrowings facilitate, the Fund will be in a worse
position than if it had not borrowed. The use of the derivatives in connection
with leverage creates the potential for significant losses.
      TRACKING ERROR. While the Fund does not expect that its returns over a
twelve-month period will deviate from its benchmark by more than 10%, several
factors may affect the Fund's ability to achieve this correlation. Among these
factors are: (1) Fund expenses, including brokerage expenses and commissions
(which may be increased by high portfolio turnover); (2) less than all of the
securities in the benchmark being held by the Fund and securities not included
in the benchmark being held by the Fund; (3) an imperfect correlation between
the performance of instruments held by the Fund, such as futures contracts and
options, and the performance of the underlying securities in the cash market
comprising an index; (4) bid-ask spreads (the effect of which may be increased
by portfolio turnover); (5) the Fund holding instruments that are illiquid or
the market for which becomes disrupted; (6) the need to conform the Fund's
portfolio holdings to comply with the Fund's investment restrictions or
policies, or regulatory or tax law requirements; and (7) market
 
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8
<PAGE>
movements that run counter to the Fund's investments (which will cause
divergence between the Fund and its benchmark over time due to the mathematical
effects of leveraging).
      Investors should be aware that while index futures and options contracts
closely correlate with the applicable indices over long periods, shorter-term
deviation, such as on a daily basis, does occur with these instruments. As a
result, the Fund's short-term performance will reflect such deviation from its
benchmark.
      TRADING HALTS. The Fund typically will hold most of its investments in
short-term options and futures contracts. The major exchanges on which these
contracts are traded, such as the Chicago Mercantile Exchange ("CME") and the
Chicago Board of Options Exchange ("CBOE") have established limits on how much
an option or futures contract may decline over various time periods within a
day. If an option or futures contract's price declines more than the established
limits, trading is halted on that instrument. If such trading halts are
instituted by an options or futures exchange at the close of a trading day, the
Fund will not be able to execute purchase or sales transactions in the specific
option or futures contracts affected. In such an event, the Fund also would be
unable to accurately price its outstanding contracts. A trading halt by the CME
or the CBOE at the end of a business day would constitute an emergency situation
under SEC regulations. If affected by such an emergency, the Fund would not be
able to accept investors' orders for purchases, redemptions, or exchanges
received earlier during the business day.
      CLASSIFICATION OF THE FUND. The Fund is a "non-diversified" series of the
Trust pursuant to the 1940 Act. The Fund is considered "non-diversified" because
a relatively high percentage of its assets may be invested in the securities of
a limited number of issuers. A non-diversified Fund's portfolio securities,
therefore, may be more susceptible to any single economic, political, or
regulatory occurrence than the portfolio securities of a diversified investment
company. A Fund's classification as a "non-diversified" investment company means
that the proportion of its assets that may be invested in the securities of a
single issuer is not limited by the 1940 Act. The Fund, however, intends to
qualify as a RIC. This requires, among other things, that the Fund, at the end
of each quarter of its tax year, meet certain diversification standards.
 
                    ----------------------------------------
                             INVESTMENT TECHNIQUES
                                   AND OTHER
                              INVESTMENT POLICIES
 
FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS
      The Fund may purchase and sell stock index futures contracts and options
on such futures contracts. The Fund may purchase and sell futures and options
thereon as a substitute for a comparable market position in the underlying
securities to attempt to hedge or limit the exposure of its position, to create
a synthetic money market position, for certain tax-related purposes and to
effect closing transactions.
      A futures contract obligates the seller to deliver (and the purchaser to
take delivery of) the specified security on the expiration date of the contract.
An index futures contract obligates the seller to deliver (and the purchaser to
take) an amount of cash equal to a specific dollar amount times the difference
between the value of a
 
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                                                                               9
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specific index at the close of the last trading day of the contract and the
price at which the agreement is made. No physical delivery of the underlying
securities in the index is made.
      When the Fund writes an option on a futures contract, it becomes
obligated, in return for the premium paid, to assume a position in the futures
contract at a specified exercise price at any time during the term of the
option. If the Fund writes a call, it assumes a short futures position. If it
writes a put, it assumes a long futures position. When the Fund purchases an
option on a futures contract, it acquires the right in return for the premium it
pays to assume a position in a futures contract (a long position if the option
is a call and a short position if the option is a put).
      Whether the Fund realizes a gain or loss from futures activities depends
upon movements in the underlying index. The extent of the Fund's loss from an
unhedged short position in futures contracts or from writing unhedged call
options on futures contracts is potentially unlimited. The Fund will only
purchase and sell futures contracts and options on futures contracts that are
traded on a U.S. exchange or board of trade.
      To the extent that the Fund enters into futures or options on futures
contracts traded on an exchange regulated by the Commodity Futures Trading
Commission ("CFTC"), in each case other than for BONA FIDE hedging purposes (as
defined by the CFTC), the aggregate initial margin and the premiums required to
establish those positions (excluding the amount by which options are "in-
the-money" at the time of purchase) will not exceed 5% of the liquidation value
of its portfolio, after taking into account unrealized profits and unrealized
losses on any contracts the Fund has entered into. (In general, a call option on
a futures contract is "in-the-money" if the value of the underlying futures
contract exceeds the strike, I.E., exercise price of the call. A put option on a
futures contract is "in-the-money" if the value of the underlying futures
contract is exceeded by the strike price of the put.) This policy does not limit
to 5% the percentage of the Fund's assets that are at risk in futures contracts
and options on futures contracts.
 
OPTIONS ON INDICES AND SECURITIES
      The Fund may purchase and sell put and call options on stock indices and
on individual securities. The Fund may purchase and sell put and call options as
a substitute for a comparable market position in the underlying securities to
attempt to hedge or limit the exposure of its position, to create a synthetic
money market position, for certain tax-related purposes and to effect closing
transactions.
      An index fluctuates with changes in the market values of the securities
included in the index. Options on indices give the holder the right to receive
an amount of cash upon exercise of the option. Receipt of this cash amount will
depend upon the closing level of the index upon which the option is based being
greater than (in the case of a call) or less than (in the case of put) the
exercise price of the option. The amount of cash received, if any, will be the
difference between the closing price of the index and the exercise price of the
option, multiplied by a specified dollar multiple. The writer (seller) of the
option is obligated, in return, for the premium received from the purchaser of
the option, to make delivery of this amount to the purchaser. Unlike the option
on securities discussed below, all settlements of index options transactions are
in cash.
      Some stock index options are based on a broad market index such as the
Russell 2000, S&P 500 Index, the New York Stock Exchange Composite Index or the
American Stock Exchange
 
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10
<PAGE>
Major Market Index, or on a narrower index such as the Philadelphia Stock
Exchange Over-the-Counter Index. Options currently are traded on the CBOE, the
American Stock Exchange and other exchanges. Options also are traded in the OTC
markets and the Fund may buy and sell both exchange-traded and OTC options.
      Each of the exchanges has established limitations governing the maximum
number of call or put options on the same index that may be bought or written by
a single investor, whether acting alone or in concert with others (regardless of
whether such options are written on the same or different exchanges or are held
or written on one or more accounts or through one or more brokers). Under these
limitations, option positions of all investment companies advised by the same
investment adviser are combined for purposes of these limits. Pursuant to these
limitations, an exchange may order the liquidation of positions and may impose
other sanctions or restrictions. These positions limits may restrict the number
of listed options that the Fund may buy or sell.
      By buying a call option on a security the Fund has the right, in return
for the premium paid, to buy the security underlying the option at the exercise
price. By writing (selling) a call option and receiving a premium, the Fund
becomes obligated during the term of the option to deliver securities underlying
the option at the exercise price if the option is exercised. By buying a put
option, the Fund has the right, in return for the premium, to sell the security
underlying the option at the exercise price. By writing a put option, the Fund
becomes obligated during the term of the option to purchase the securities
underlying the option at the exercise price.
      Because options premiums paid or received by the Fund are small in
relation to the market value of the investments underlying the options, buying
and selling put and call options can be more speculative than investing directly
in securities.
 
INDEXED SECURITIES
      The Fund may purchase indexed securities, which are securities the value
of which varies positively or negatively in relation to the value of other
securities, securities indices or other financial indicators, consistent with
its investment objective. Indexed securities typically, but not always, are debt
securities or deposits whose value at maturity or coupon rate is determined by
reference to a specific instrument or statistic. The performance of indexed
securities depends to a great extent on the performance of the security or other
instrument to which they are indexed and also may be influenced by interest rate
changes in the United States and abroad. At the same time, indexed securities
are subject to the credit risks associated with the issuer of the security, and
their values may decline substantially if the issuer's creditworthiness
deteriorates. Indexed securities may be more volatile than the underlying
instruments.
 
U.S. GOVERNMENT SECURITIES
      The Fund may invest in U.S. Government Securities in order to deposit such
securities as initial or variation margin, as "cover" for the investment
techniques it employs, as part of a cash reserve and for liquidity purposes.
U.S. Government Securities include direct obligations of the U.S. Treasury such
as Treasury bills, Treasury notes and Treasury bonds.
      U.S. Government Securities are high-quality instruments issued or
guaranteed as to principal or interest by the U.S. Treasury or by an agency or
instrumentality of the U.S. Government. Not all U.S. Government Securities are
backed by the full faith and credit of the United States.
 
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                                                                              11
<PAGE>
Some are backed by the right of the issuer to borrow from the U.S. Treasury;
others are backed by discretionary authority of the U.S. Government to purchase
the agencies' obligations; while others are supported only by the credit of the
instrumentality. In the case of securities not backed by the full faith and
credit of the United States, the investor must look principally to the agency
issuing or guaranteeing the obligation for ultimate repayment.
      Yields on short-, intermediate- and long-term U.S. Government Securities
are dependent on a variety of factors, including the general conditions of the
money and bond markets, the size of a particular offering and the maturity of
the obligation. Debt securities with longer maturities tend to produce higher
capital appreciation and depreciation than obligations with shorter maturities
and lower yields. The market value of U.S. Government Securities generally
varies inversely with changes in the market interest rates. An increase in
interest rates, therefore, generally would reduce the market value of the Fund's
portfolio investments in U.S. Government Securities; while a decline in interest
rates generally would increase the market value of the Fund's portfolio
investments in these securities.
 
REPURCHASE AGREEMENTS
      Under a repurchase agreement, the Fund purchases a U.S. Government
Security and simultaneously agrees to sell the security back to the seller at a
mutually agreed-upon future price and date, normally one day or a few days
later. The resale price is greater than the purchase price, reflecting an
agreed-upon market interest rate during the Fund's holding period. While the
maturities of the underlying securities in repurchase agreement transactions may
be more than one year, the term of each repurchase agreement always will be less
than one year. The Fund may enter into repurchase agreements with banks that are
members of the Federal Reserve System or securities dealers who are members of a
national securities exchange or are primary dealers in U.S. Government
Securities. The Adviser will monitor the creditworthiness of each firm that is a
party to a repurchase agreement with the Fund. In the event of default or
bankruptcy by the seller, the Fund will liquidate those securities (whose market
value, including accrued interest, must be at least 100% of the amount invested
by the Fund) held under the applicable repurchase agreement, which securities
constitute collateral for the seller's obligation to repurchase the security.
 
ILLIQUID INVESTMENTS
      The Fund may purchase and hold illiquid investments, including securities
that are not readily marketable and securities that are not registered
("restricted securities") under the Securities Act of 1933, as amended ("1933
Act"), but which can be offered and sold to "qualified institutional buyers"
pursuant to Rule 144A under the 1933 Act. The Fund will not invest more than 15%
of its net assets in illiquid investments. The term "illiquid investments" for
this purpose means investments that cannot be disposed of within seven days in
the ordinary course of business at approximately the amount at which the Fund
has valued the investments. Under the current SEC staff guidelines, illiquid
investments also include purchased OTC options, certain cover for OTC options,
repurchase agreements not terminable within seven days and restricted securities
not determined to be liquid pursuant to guidelines established by the Trustees.
 
- ---------------------------------------------------------------
12
<PAGE>
OTHER INVESTMENT PRACTICES
      The Fund may borrow for investment purposes. The Fund may also borrow
money as a temporary measure for extraordinary or emergency purposes and to meet
redemption requests without immediately selling portfolio securities. In
addition, the Fund may lend securities to broker-dealers and financial
institutions, provided that the borrower at all times maintains cash collateral
in an amount equal to at least 100% of the market value of the securities
loaned. Such loans will not be made if, as a result, the aggregate amount of all
outstanding loans by the Fund would exceed 33 1/3% of its total assets. For a
more detailed discussion of these practices, see the SAI.
 
                    ----------------------------------------
                                   PORTFOLIO
                                TRANSACTIONS AND
                                   BROKERAGE
 
      The Adviser will place orders to execute securities transactions that are
designed to implement the Fund's investment objective and policies. In placing
such orders, the Adviser will seek the most favorable price and efficient
execution available. In order to obtain brokerage and research services,
however, a higher commission sometimes may be paid. Brokerage commissions
normally are paid on exchange-traded securities transactions and on options and
futures transactions.
      When selecting a broker or dealer to execute portfolio transactions, the
Adviser considers many factors, including the rate of commission or the size of
the broker-dealer's "spread," the size and difficulty of the order, the nature
of the market for the security, operational capabilities of the broker-dealer
and the research, statistical and economic data furnished by the broker-dealer
to the Adviser. The Adviser may select one broker-dealer over another based on
whether the broker-dealer provides research services to the Adviser.
 
                    ----------------------------------------
                                HOW TO INVEST IN
                                    THE FUND
 
GENERAL
      The minimum initial investment is $10,000, which can be allocated in any
amounts among the six portfolios of the Potomac Funds. Fund shares are offered
at the daily public offering price, which is the net asset value per share next
computed after receipt of the investor's order. See "Determination of Net Asset
Value." No sales charges are imposed on initial or subsequent investments in the
Fund. The Fund reserves the right to reject or refuse, at its discretion, any
order for the purchase of Fund shares in part or whole. The minimum amount for
subsequent investments in the Fund is $1,000.
      Investments in the Fund may be made (1) through securities broker-dealers
or agents who have the responsibility to transmit orders promptly and who may
charge a processing fee, (2) directly with the Fund by mail or bank wire
transfer to the Fund's transfer agent, Firstar Mutual Fund Services, LLC
("Transfer Agent") as described below.
 
BY MAIL
      You may purchase shares of the Fund directly by completing and signing the
Account Application included with the Prospectus and making out a check payable
to "Potomac Funds". Your investment will be allocated among the six
 
- --------------------------------------------------------------------------------
                                                                              13
<PAGE>
portfolios of the Trust as you specify on the Account Application. Please call
(800) 851-0511 to obtain a prospectus for the Trust's other portfolios. Mail the
check, along with the completed Account Application, to Potomac Funds, c/o
Firstar Mutual Fund Services, LLC, P.O. Box 1993, Milwaukee, Wisconsin
53201-1993.
      Your completed Account Application and check also may be sent by overnight
or express mail. To ensure proper delivery, please use the following address:
Potomac Funds, c/o Firstar Mutual Fund Services, LLC, 3rd Floor, 615 East
Michigan Street, Milwaukee, Wisconsin 53202.
      Third party checks will not by accepted by the Fund. All purchases must be
in U.S. Dollars. A $25.00 fee will be imposed by the Transfer Agent if any check
used for investment in an account does not clear due to insufficient funds.
 
BY BANK WIRE TRANSFER
      To establish a new account by wire transfer, please call the Transfer
Agent at (800) 851-0511 to obtain a Fund account number. You must send a
completed Account Application to the Fund at the above address immediately
following the investment. Payment for Fund shares should be wired through the
Federal Reserve System as follows:
 
      Firstar Bank Milwaukee, N.A.
      777 East Wisconsin Avenue
      Milwaukee, Wisconsin 53202
      ABA number 0750-00022
      For credit to Firstar Mutual Fund
      Services, LLC
      Account Number 112-952-137
      For further credit to the Potomac Funds
      Shareholder name: ______________
      Shareholder account number: _________
      Your bank may charge a fee for such services. If the purchase is canceled
because your wire transfer is not received, you may be liable for any the loss
the Fund may incur.
      Physical certificates representing the Fund's shares are not issued.
Shares of the Fund are recorded on a register by the Transfer Agent.
 
                    ----------------------------------------
                         TAX-DEFERRED RETIREMENT PLANS
 
      The Fund offers individual retirement accounts ("IRAs"), including Roth
IRAs, that may be funded with purchases of Fund shares and may allow investors
to defer tax on their income from amounts contributed to the IRAs. A description
of applicable service fees and certain limitations on contributions and
withdrawals, as well as Application Forms, are available from the Fund upon
request.
 
                    ----------------------------------------
                         REDEEMING SHARES (WITHDRAWALS)
 
GENERAL
      You may withdraw all or any part of your investment by redeeming Fund
shares at the next determined net asset value per share after receipt of the
order. The amount received will depend on the market value of the investments in
the Fund's portfolio at the time of determination of net asset value. Shares of
the Fund may be redeemed by written request or by telephone to the Transfer
Agent subject to the procedures described below. When you redeem shares over the
telephone, those redemption proceeds will be sent only to your address of record
or to a bank account
 
- ---------------------------------------------------------------
14
<PAGE>
specified in your Account Application. In addition, redemption proceeds may be
sent by wire transfer to a bank account specified in your Account Application.
The minimum amount of a wire transfer redemption is $5,000. You will be charged
$12.00 for wire redemptions to cover transaction costs.
      If you request payment of redemption proceeds to a third party or to a
location other than your address of record or a bank account specified in the
Account Application, your request must be in writing and your signature
guaranteed. In addition, if you request in writing redemption of $100,000 or
more, your signature must be guaranteed. A signature guarantee will be accepted
from a commercial bank, savings association, securities broker or dealer, or
credit union. A notary public cannot provide a signature guarantee.
      Payment of redemption proceeds will be made within seven days following
the Fund's receipt of your request for redemption. For investments that have
been made by check, payment on redemption requests may be delayed until the
Transfer Agent is reasonably satisfied that the purchase payment has been
collected by the Fund (which may require up to 10 business days). To avoid
redemption delays, purchases may be made by cashiers or certified check or by
direct wire transfers.
      The right of redemption may be suspended or the date of payment postponed
for any period during which the New York Stock Exchange ("NYSE"), the Nasdaq
Stock Market ("Nasdaq"), the CME, or the CBOE, or the Federal Reserve Bank of
New York, as appropriate, is closed (other than customary weekend or holiday
closings) or trading on the NYSE, the Nasdaq, the CME, or the CBOE, as
appropriate, is restricted. In addition, the rights of redemption may be
suspended or the date of payment postponed for the Fund for a period during
which an emergency exists so that disposal of the Fund's investments or the
determination of its net asset value is not reasonably practicable or for a such
periods as the SEC, by order, may permit for protection of the Fund's investors.
 
LOW BALANCE ACCOUNTS
      Because of the high cost of maintaining accounts with low balances, it is
the Trust's policy to redeem involuntarily Fund shares in any account, including
a retirement account, if the account balance falls below $10,000 in total value
in the Trust. This policy does not apply to accounts that fall below the minimum
balance due to market fluctuations. The Trust will provide 30 days' written
notice to all such shareholders to bring the account balance up to the minimum
investment required or the Trust may redeem shares in the account and pay the
proceeds to the shareholder. A redemption from a tax-deferred retirement plan
may have adverse tax consequences and a shareholder contemplating such a
redemption should consult his or her tax adviser.
 
                    ----------------------------------------
                                   EXCHANGES
 
      Fund shares may be exchanged, without any charge, for shares of any
portfolios of the Trust on the basis of the respective net asset values of the
shares involved. Exchanges may be effected by written request or by telephone to
the Transfer Agent subject to the procedures described below. Exchanges must be
for at least the lesser of $1,000 or the entire account balance for the Fund
from which the exchange is made.
 
- --------------------------------------------------------------------------------
                                                                              15
<PAGE>
                    ----------------------------------------
                           PROCEDURES FOR REDEMPTIONS
                                 AND EXCHANGES
 
GENERAL
      In requesting a redemption or exchange, you should provide your account
name, account number, the number of or percentage of shares or the dollar value
of shares to be exchanged or redeemed, as applicable, and the names of the Funds
involved. Exchanges may only be made between identically registered accounts. In
addition, any written request must be signed by a shareholder and all co-owners
of the account with exactly the same name or names used in establishing the
account.
 
BY MAIL
      Requests for redemptions and exchanges may be made in writing and directed
to the Potomac Funds, c/o Firstar Mutual Fund Services, LLC, P.O. Box 1993,
Milwaukee, Wisconsin 53201-1993. Any such requests sent overnight or express
mail should be directed to the Potomac Funds, c/o Firstar Mutual Fund Services,
LLC 3rd Floor, 615 East Michigan Street, Milwaukee, Wisconsin 53202.
 
BY TELEPHONE
      You may redeem or exchange Fund shares by calling the Transfer Agent at
(800) 851-0511. Shares may be redeemed by telephone only if your Account
Application reflects that option. TELEPHONE REQUESTS MAY BE MADE ONLY BETWEEN
9:00 A.M. AND 3:40 P.M, EASTERN TIME.
 
      TELEPHONE REDEMPTION AND EXCHANGE ORDERS WILL BE ACCEPTED ONLY DURING THE
PERIODS INDICATED ABOVE.
 
      By establishing such telephone services, you authorize the Fund or its
agents to act upon verbal instructions to redeem or exchange Fund shares for any
account for which such service has been authorized. In an effort to prevent
unauthorized or fraudulent telephone transaction requests, the transfer agent
will employ reasonable procedures specified by the Fund to confirm that such
instructions are genuine. For instance, the Transfer Agent will require some
form of personal identification prior to acting upon telephone instructions,
provide written confirmation after such transactions, and record telephone
instructions. When acting on instructions believed to be genuine, the Trust,
Adviser, Transfer Agent and their trustees, directors, officers and employees
are not liable for any loss resulting from a fraudulent telephone transaction
request and the investor will bear the risk of loss. To the extent that the
Trust, Adviser, Transfer Agent and their trustees, directors, officers and
employees do not employ such procedures, some or all of them may be liable for
losses due to unauthorized or fraudulent transactions. You also should be aware
that telephone redemption or exchanges may be difficult to implement in a timely
manner during periods of drastic economic or markets changes. If such conditions
occur, redemption or exchange orders can be made by mail.
 
- ---------------------------------------------------------------
16
<PAGE>
                    ----------------------------------------
                        DETERMINATION OF NET ASSET VALUE
 
      The net asset value per Fund share is computed at 4:15 p.m. Eastern time,
fifteen minutes after the close of normal trading on the NYSE (currently 4:00
p.m. Eastern time) each day the NYSE is open for business.
      The Fund's net asset value serves as the basis for the purchase and
redemption price of its shares. The net asset value per share of the Fund is
calculated by dividing the market value of the Fund's securities plus the value
of its other assets, less all liabilities, by the number of outstanding shares
of the Fund. If market quotations are not readily available, a security will be
valued at fair value by the Trustees or by the Adviser using methods established
or ratified by the Trustees.
      For purposes of determining net asset value per share of the Fund, options
and futures contracts are valued at the closing prices of the exchanges on which
they trade. The value of a futures contract equals the unrealized gain or loss
on the contract that is determined by marking the contract to the current
settlement price for a like contract acquired on the day on which the futures
contract is being valued. The value of options on futures contracts is
determined based upon the current settlement price for a like option acquired on
the day on which the option is being valued. A settlement price may not be used
for the foregoing purposes if the market makes a limited move with respect to a
particular commodity.
      OTC securities held by the Fund will be valued at the last sales price or,
if no sales price is reported, the mean of the last bid and ask price is used.
The portfolio securities of the Fund that are listed on national exchanges are
valued at the last sales price of such securities; if no sales price is
reported, the mean of the last bid and ask price is used. Dividend income and
other distributions are recorded on the ex-distribution date.
      Illiquid securities, securities for which reliable quotations or pricing
services are not readily available, and all other assets not valued in
accordance with the foregoing principles will be valued at their respective fair
value as determined in good faith by, or under procedures established by, the
Trustees, which procedures may include the delegation of certain
responsibilities regarding valuation to the Adviser or the officers of the
Trust. The officers of the Trust report, as necessary, to the Trustees regarding
portfolio valuation determinations. The Trustees, from time to time, will review
these methods of valuation and will recommend changes that may be necessary to
assure that the investments of the Fund are valued at fair value.
 
                    ----------------------------------------
                            PERFORMANCE INFORMATION
 
      From time to time the Fund may advertise its average annual total return
and compare its performance to that of other mutual funds with similar
investment objectives and to relevant indices. Performance information is
computed for the Fund in accordance with the methods discussed below.
      The Fund may include the total return of its shares in advertisements or
other written material. When the Fund advertises the total return of its shares,
it will be calculated for the one-, five-, and ten-year periods or, if such
 
- --------------------------------------------------------------------------------
                                                                              17
<PAGE>
periods have not yet elapsed, the period since the establishment of the Fund.
Total return is measured by comparing the value of an investment in the Fund at
the beginning of the relevant period to the redemption value of that investment
at the end of the period (assuming reinvestment of any dividends and capital
gain distributions at net asset value). For more information on Fund
performance, SEE "Performance Information" in the SAI.
 
                    ----------------------------------------
                       DIVIDENDS AND OTHER DISTRIBUTIONS
 
      The Fund intends to distribute to its shareholders annually all of its net
investment income and net realized capital gains. All income dividends and
distributions of net capital gains will be automatically reinvested in
additional shares of the Fund at the net asset value calculated on the
ex-distribution date, unless you request otherwise in writing. Dividends and
other distributions of the Fund are taxable to its shareholders, as discussed
below under "Taxes," whether the distributions are reinvested in additional
shares or are received in cash. You will receive a statement of your account at
least quarterly.
 
                    ----------------------------------------
                                     TAXES
 
      The Fund is treated as a separate corporation for Federal income tax
purposes and will seek to qualify as a regulated investment company ("RIC")
under Subchapter M of the Internal Revenue Code of 1986, as amended ("Code").
Dividends distributed by the Fund (including distributions of net short-term
capital gain), if any, are taxable to its shareholders as ordinary income,
regardless of whether the dividends are reinvested in Fund shares or received in
cash. Distributions of the Fund's net capital gain (I.E., the excess of net
long-term gain over net short-term capital loss), if any, are taxable to you as
long-term capital gains, regardless of how long you have held your Fund shares
and whether the distributions were reinvested in Fund shares or received in
cash. A shareholders sale (redemption) of Fund shares may result in a taxable
gain, depending on whether the redemption proceeds are more or less than the
adjusted basis for the shares. An exchange of Fund shares for shares of another
portfolio of the Trust generally will have similar consequences.
      You are required by law to certify that your taxpayer identification
number ("TIN") is correct and that you are not subject to back-up withholding.
The Fund is required to withhold 31% of all dividends, capital gain
distributions, and redemption proceeds payable to individuals and other
non-corporate shareholders who do not provide the Fund with a correct TIN.
Withholding at that rate also is required from dividends and capital gain
distributions payable to shareholders who, otherwise are subject to back-up
withholding.
      Because the foregoing only summarizes some of the important federal income
tax considerations affecting the Fund and its shareholders, please see the
discussion in the SAI. Prospective investors are urged to consult their tax
advisers.
 
- ---------------------------------------------------------------
18
<PAGE>
                    ----------------------------------------
                        MANAGEMENT AND ADMINISTRATION OF
                                    THE FUND
 
BOARD OF TRUSTEES
      The business and affairs of the Fund are managed under the direction of
the Trustees. The Trustees are responsible for the general supervision of the
Fund's business affairs and for exercising all the Fund's powers except those
reserved to the shareholders. The day-to-day operations of the Fund are the
responsibility of the its officers.
 
INVESTMENT ADVISER
      Rafferty Asset Management, LLC, 550 Mamaroneck Avenue, Harrison, New York
10528, provides investment advice to the Fund. The Adviser has been registered
as an investment adviser since June 1997 and was organized as a New York limited
liability corporation in May 1997. Lawrence C. Rafferty owns a controlling
interest in the Adviser.
      The Adviser manages the investment of the assets of the Fund, in
accordance with its investment objective, policies and limitations, subject to
the general supervision and control of the Trustees and the officers of the
Trust. The Adviser bears all costs associated with providing these advisory
services and the expenses of the Trustees who are affiliated persons of the
Adviser. The Adviser, from its own resources, also may make payments to
broker-dealers and other financial institutions for their expenses in connection
with the distribution of Fund shares, and otherwise currently pays all
distribution costs for Fund shares.
      Under an investment agreement between the Trust and the Adviser, the Fund
pays the Adviser a fee 0.75% at an annualized rate, based on a percentage of its
daily net assets.
 
PORTFOLIO MANAGEMENT
      The Fund is managed by an investment committee, which is responsible for
the investment activities of the Fund.
 
ADMINISTRATOR
      The Trust, on behalf of the Fund, has entered into an Administrative
Services Agreement with Firstar Mutual Fund Services, LLC ("Administrator") that
obligates the Administrator to provide the Fund with administrative and
management services, other than investment advisory services. As compensation
for these services, the Trust pays the Administrator a fee of .06% of the first
$200,000,000 of the Trust's average daily net assets, .05% of the next
$300,000,000 of the Trust's average net assets, and .03% of the Trust's average
net assets in excess of $500,000,000. Notwithstanding the foregoing, the
Administrator's minimum annual fee from the Trust is $150,000.
 
DISTRIBUTOR
      Rafferty Capital Markets, Inc., 550 Mamaroneck Avenue, Harrison, NY 10528,
serves as the distributor of the Fund's shares. The Distributor has entered into
dealer agreements with participating dealers who will distribute shares of the
Fund.
 
TRANSFER AGENT AND CUSTODIAN
      Firstar Mutual Fund Services, LLC, 615 East Michigan Street, Milwaukee,
Wisconsin 53202, serves as transfer agent to the Fund. Firstar Bank Milwaukee,
N.A., 615 East
 
- --------------------------------------------------------------------------------
                                                                              19
<PAGE>
Michigan Street, Milwaukee, Wisconsin 53202, serves as custodian of the
portfolio securities of the Fund.
 
INDEPENDENT ACCOUNTANTS
      PricewaterhouseCoopers LLP, 100 East Wisconsin Avenue, Suite 1500,
Milwaukee, Wisconsin 53202, are the auditors of and the independent accountants
for the Fund.
 
                    ----------------------------------------
                      GENERAL INFORMATION ABOUT THE TRUST
                                    AND FUND
 
ORGANIZATION OF THE TRUST AND VOTING RIGHTS
      The Trust was organized as a Massachusetts business trust on June 6, 1997
and registered with the SEC as an open-end management investment company under
the 1940 Act. The Trust may issue unlimited shares of beneficial interest, no
par value, in such separate and distinct series and classes of shares as the
Trustees shall from time to time establish.
      Fund shares have equal voting rights. Only shares of the Fund may vote on
matters affecting it. All shares of the Trust vote on matters affecting the
Trust as a whole and to elect Trustees. Share voting rights are not cumulative,
and shares have no preemptive or conversion rights. Fund shares are
nontransferable.
      As a Massachusetts business trust, the Fund is not obligated to conduct
annual shareholder meetings. However, the Fund will hold special shareholder
meetings whenever required to do so under the Federal securities laws or the
Trust's Declaration of Trust or its By-Laws. Shareholders may remove Trustees
from office by votes cast at a special meeting of shareholders. If requested by
the shareholders of at least 10% of the outstanding shares of the Trust, the
Trustees will call a special meeting of shareholders to vote on the removal of a
Trustee and will assist in communications with other shareholders.
 
FUND EXPENSES
      The Fund pays all of its own expenses. These expenses include expenses for
legal accounting and auditing services, preparing (including typesetting and
printing) reports, prospectuses, supplements thereto and notices to its existing
shareholders, advisory and management fees, fees and expenses of the custodian
and transfer and dividend disbursing agents, the distribution fee, the expense
of issuing and redeeming shares, the cost of registering shares under the
Federal and state laws, shareholder meeting and related proxy solicitation
expenses, the fees and out-of-pocket expenses of Trustees who are not affiliated
with the Adviser, insurance, brokerage costs, litigation, and other expenses
properly payable by the Fund.
 
DISTRIBUTION OF FUND SHARES
      The Fund has adopted a distribution plan (the "Plan") pursuant to Rule
12b-1 under the 1940 Act. The Plan provides that the Fund will compensate the
Distributor for certain expenses incurred in the distribution of its shares and
the servicing and maintenance of existing Fund shareholder accounts. However,
the Trustees have not authorized payment of any fees pursuant to the Plan.
 
MASTER/FEEDER OPTION
      The Fund may in the future seek to achieve its investment objective by
investing all its net assets in another investment company
 
- ---------------------------------------------------------------
20
<PAGE>
("Master Fund") having the same investment objective and substantially the same
investment policies and restrictions as those applicable to the Fund. It is
expected than any such investment company would be managed by the Adviser in
substantially the same manner as the Fund. If permitted by applicable laws and
policies then in effect, any such investment may be made in the sole discretion
of the Trustees without further approval of shareholders of the Fund. However,
the Fund's shareholders will be given 30 days' prior notice of any such
investment. Such investment would be made only if the Trustees determine it to
be in the best interests of the Fund and its shareholders. In making that
determination, the Trustees will consider, among other things, the benefits to
shareholders and/or the opportunity to reduce costs and achieve operational
efficiencies. No assurance can be given that costs will be materially reduced if
this option is implemented.
 
SHAREHOLDER INQUIRIES
      Shareholder inquiries can be made by telephone to the Fund at (800)
851-0511.
 
- --------------------------------------------------------------------------------
                                                                              21
<PAGE>
NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATION NOT CONTAINED IN THIS PROSPECTUS, OR IN THE SAI INCORPORATED
HEREIN BY REFERENCE, IN CONNECTION WITH THE OFFERING MADE BY THIS PROSPECTUS
AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY THE TRUST. THIS PROSPECTUS DOES NOT CONSTITUTE
AN OFFERING BY THE TRUST IN ANY JURISDICTION IN WHICH SUCH AN OFFERING MAY NOT
LAWFULLY BE MADE.
 
              ---------------------------------------------------
INVESTMENT ADVISOR
      Rafferty Asset Management, LLC
      550 Mamaroneck Avenue
      Harrison, NY 10528
 
ADMINISTRATOR, TRANSFER AGENT, DIVIDEND
      PAYING AGENT, SHAREHOLDER SERVICING
      AGENT & CUSTODIAN
      Firstar Mutual Fund Services LLC
      P.O. Box 1993
      Milwaukee, WI 53201-1993
 
COUNSEL
      Kirkpatrick & Lockhart, LLP
      1800 Massachusetts Avenue, N.W.
      Washington, D.C. 20036-1800
 
INDEPENDENT AUDITORS
      PricewaterhouseCoopers LLP
      100 East Wisconsin Avenue
      Milwaukee, WI 53202
 
                                   PROSPECTUS
                               February 16, 1999
 
                                     [LOGO]
 
                             100 South Royal Street
                           Alexandria, Virginia 22314
 
                             550 Mamaroneck Avenue
                            Harrison, New York 10528
 
                                 (800) 851-0511



                           POTOMAC SMALL CAP PLUS FUND

                       STATEMENT OF ADDITIONAL INFORMATION

                             100 South Royal Street
                           Alexandria, Virginia 22314

                              550 Mamaroneck Avenue
                            Harrison, New York 10528

                                 (800) 851-0511

The Potomac Small Cap Plus Fund (the "Fund") is an  investment  portfolio of the
Potomac Funds (the "Trust"), a no-load management  investment company, or mutual
fund. The Fund seeks to provide  investment  returns that  correspond to 125% of
the performance of the Russell 2000 Index. The Fund is designed  principally for
experienced investors many of whom employ an asset allocation strategy. The Fund
is  not  designed  for  inexperienced  or  less  sophisticated  investors.  This
Statement  of  Additional   Information  dated  February  16,  1999,  is  not  a
prospectus.  It should be read in conjunction with the Trust's  Prospectus dated
February 16, 1999. A copy of the Prospectus is available,  without charge,  upon
request to the Trust at the address or telephone number above.

                                TABLE OF CONTENTS
                                                                            Page
GENERAL INFORMATION............................................................2
INVESTMENT POLICIES AND TECHNIQUES.............................................2
    General....................................................................2
    Options, Futures and Other Strategies......................................2
    U.S. Government Securities.................................................6
    Indexed Securities.........................................................7
    American Depository Receipts ("ADRs")......................................7
    Repurchase Agreements......................................................7
    Borrowing..................................................................8
    Lending Portfolio Securities...............................................9
    Investments in Other Investment Companies..................................9
    Illiquid Investments and Restricted Securities.............................9
    Portfolio Turnover........................................................10
INVESTMENT RESTRICTIONS.......................................................10
PORTFOLIO TRANSACTIONS AND BROKERAGE..........................................12
MANAGEMENT OF THE TRUST AND FUND..............................................13
    Trustees and Officers.....................................................13
    Investment Adviser........................................................15
    Fund Administrator, Fund Accountant, Transfer Agent and Custodian.........16
    Distributor...............................................................17
    Distribution Plan.........................................................17
    Independent Accountants...................................................17
DETERMINATION OF NET ASSET VALUE..............................................17
PERFORMANCE INFORMATION.......................................................18
    Comparative Information...................................................18
    Total Return Computations.................................................18
DIVIDENDS, OTHER DISTRIBUTIONS AND TAXES......................................19


<PAGE>


                               GENERAL INFORMATION
The Trust is a  Massachusetts  business  trust  organized on June 6, 1997 and is
registered  with the Securities and Exchange  Commission  ("SEC") as an open-end
management  investment  company  under the  Investment  Company Act of 1940,  as
amended  ("1940  Act").  The Trust  currently  offers  six  separate  investment
portfolios, including the Fund. The Fund is designed principally for experienced
investors seeking an asset allocation vehicle. The Fund seeks investment results
that  correspond  over  time  to a  specific  benchmark.  The  Fund  may be used
independently  or in  combination  with the other  investment  portfolios of the
Trust as part of an overall strategy.


                       INVESTMENT POLICIES AND TECHNIQUES

General
- -------
The following  information  supplements  the discussion in the Prospectus of the
investment objective,  policies and limitations of the Fund. Please refer to the
sections entitled "Investment Objective and Policies" and "Investment Techniques
and  Other  Investment  Policies"  in the  Prospectus  for a  discussion  of the
investment  objective and policies of the Fund.  Rafferty Asset Management,  LLC
(the "Adviser") serves as the Fund's investment  adviser.  Capitalized terms not
otherwise  defined  herein  shall  have  the same  meaning  as  assigned  in the
Prospectus.

The Fund may engage in the investment  strategies  discussed below.  There is no
assurance  that any of these  strategies or any other  strategies and methods of
investment  available to the Fund will result in the  achievement  of the Fund's
objectives.

Options, Futures and Other Strategies
- -------------------------------------
GENERAL.  As  discussed  in the  Prospectus,  the Fund may use certain  options,
futures contracts  (sometimes referred to as "futures"),  and options on futures
contracts  (collectively,   "Financial  Instruments")  as  a  substitute  for  a
comparable  market position in the underlying  security,  to attempt to hedge or
limit the exposure of the Fund's  position,  to create a synthetic  money market
position, for certain tax-related purposes and to effect closing transactions.

The use of Financial  Instruments  is subject to applicable  regulations  of the
SEC, the several  exchanges upon which they are traded and the Commodity Futures
Trading  Commission  (the  "CFTC").  In  addition,  the  Fund's  ability  to use
Financial  Instruments  will be limited by tax  considerations.  See "Dividends,
Other Distributions and Taxes."

In addition to the instruments,  strategies and risks described below and in the
Prospectus, the Adviser may discover additional opportunities in connection with
Financial  Instruments  and  other  similar  or  related  techniques.  These new
opportunities  may become available as the Adviser  develops new techniques,  as
regulatory  authorities  broaden the range of permitted  transactions and as new
Financial Instruments or other techniques are developed. The Adviser may utilize
these  opportunities  to the  extent  that they are  consistent  with the Fund's
investment  objective and  permitted by the Fund's  investment  limitations  and
applicable  regulatory  authorities.  The  Fund's  Prospectus  or  SAI  will  be
supplemented  to the extent that new products or techniques  involve  materially
different risks than those described below or in the Prospectus.


                                       2
<PAGE>


SPECIAL RISKS. The use of Financial Instruments involves special  considerations
and risks,  certain of which are described below. Risks pertaining to particular
Financial Instruments are described in the sections that follow.

(1)     Successful  use of most Financial Instruments depends upon the Adviser's
ability to predict movements of the overall securities  markets,  which requires
different skills than predicting changes in the prices of individual securities.
There can be no assurance that any particular strategy will succeed.

(2)     Options  and  futures  prices  can  diverge  from the  prices  of their
underlying instruments.  Options and futures prices are affected by such factors
as current and anticipated  short-term interest rates,  changes in volatility of
the  underlying  instrument  and the  time  remaining  until  expiration  of the
contract,  which  may  not  affect  security  prices  the  same  way.  Imperfect
correlation  also may result from differing  levels of demand in the options and
futures markets and the securities markets,  from structural  differences in how
options and futures and  securities  are traded,  and from  imposition  of daily
price fluctuation limits or trading halts.

(3)     As  described  below,  the Fund might be required to maintain  assets as
"cover,"  maintain  segregated  accounts or make margin  payments  when it takes
positions in Financial Instruments involving obligations to third parties (e.g.,
Financial  Instruments other than purchased options). If the Fund were unable to
close out its positions in such Financial  Instruments,  it might be required to
continue to maintain  such  assets or accounts or make such  payments  until the
position expired or matured.  These requirements might impair the Fund's ability
to sell a  portfolio  security  or make an  investment  at a time  when it would
otherwise  be  favorable  to do so, or  require  that the Fund sell a  portfolio
security at a  disadvantageous  time. The Fund's ability to close out a position
in a  Financial  Instrument  prior to  expiration  or  maturity  depends  on the
existence of a liquid secondary market or, in the absence of such a market,  the
ability  and   willingness   of  the  other  party  to  the   transaction   (the
"counterparty") to enter into a transaction closing out the position. Therefore,
there is no  assurance  that any  position can be closed out at a time and price
that is favorable to the Fund.

COVER.  Transactions using Financial Instruments,  other than purchased options,
expose the Fund to an obligation to another party.  The Fund will not enter into
any such  transactions  unless  it owns  either  (1) an  offsetting  ("covered")
position in  securities  or other  options or futures  contracts or (2) cash and
liquid  assets with a value,  marked-to-market  daily,  sufficient  to cover its
potential  obligations  to the extent not covered as provided in (1) above.  The
Fund will comply with SEC guidelines  regarding cover for these  instruments and
will,  if the  guidelines  so  require,  set aside  cash or liquid  assets in an
account with its custodian,  Firstar Bank Milwaukee, N.A. ("Custodian"),  in the
prescribed amount as determined daily.

Assets used as cover or held in an account  cannot be sold while the position in
the  corresponding  Financial  Instrument is open, unless they are replaced with
other appropriate  assets. As a result, the commitment of a large portion of the
Fund's  assets to cover or accounts  could impede  portfolio  management  or the
Fund's ability to meet redemption requests or other current obligations.

OPTIONS.  The value of an option position will reflect,  among other things, the
current market value of the  underlying  investment,  the time  remaining  until


                                       3
<PAGE>


expiration,  the  relationship  of the exercise price to the market price of the
underlying  investment  and  general  market  conditions.  Options  that  expire
unexercised have no value.

The Fund may  effectively  terminate its right or obligation  under an option by
entering  into a closing  transaction.  For example,  the Fund may terminate its
obligation  under a call or put  option  that it had  written by  purchasing  an
identical call or put option;  this is known as a closing purchase  transaction.
Conversely,  the Fund may  terminate  a position  in a put or call option it had
purchased by writing an identical put or call option; this is known as a closing
sale  transaction.  Closing  transactions  permit the Fund to realize profits or
limit losses on an option position prior to its exercise or expiration.

RISKS OF OPTIONS ON SECURITIES. Exchange-traded options in the United States are
issued by a clearing  organization  affiliated  with the  exchange  on which the
option is listed that, in effect, guarantees completion of every exchange-traded
option transaction. In contrast,  over-the-counter ("OTC") options are contracts
between the Fund and its  counterparty  (usually a securities  dealer or a bank)
with no clearing  organization  guarantee.  Thus, when the Fund purchases an OTC
option,  it relies on the counterparty from whom it purchased the option to make
or take  delivery  of the  underlying  investment  upon  exercise of the option.
Failure by the  counterparty  to do so would  result in the loss of any  premium
paid by the Fund as well as the loss of any expected benefit of the transaction.

The Fund's  ability to  establish  and close out  positions  in  exchange-traded
options  depends on the existence of a liquid market.  However,  there can be no
assurance  that  such a  market  will  exist  at any  particular  time.  Closing
transactions  can be made for OTC options only by negotiating  directly with the
counterparty,  or by a transaction  in the  secondary  market if any such market
exists.  There can be no  assurance  that the Fund will in fact be able to close
out an OTC option  position at a favorable  price  prior to  expiration.  In the
event of insolvency of the  counterparty,  the Fund might be unable to close out
an OTC option position at any time prior to its expiration.

If the Fund were  unable to  effect a closing  transaction  for an option it had
purchased,  it would have to  exercise  the option to realize  any  profit.  The
inability to enter into a closing purchase transaction for a covered call option
written by the Fund could cause material losses because the Fund would be unable
to sell the  investment  used as cover for the written  option  until the option
expires or is exercised.

OPTIONS ON  INDICES.  Puts and calls on indices are similar to puts and calls on
securities or futures contracts except that all settlements are in cash and gain
or loss  depends  on  changes  in the  index in  question  rather  than on price
movements in individual securities or futures contracts.  When the Fund writes a
call on an index, it receives a premium and agrees that, prior to the expiration
date,  the purchaser of the call,  upon exercise of the call,  will receive from
the Fund an amount of cash if the closing level of the index upon which the call
is based is greater than the exercise  price of the call.  The amount of cash is
equal to the difference  between the closing price of the index and the exercise
price of the call times a specified  multiple  ("multiplier"),  which determines
the total value for each point of such difference.  When the Fund buys a call on
an  index,  it pays a  premium  and  has the  same  rights  to such  call as are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the right,  prior to the expiration date, to require the seller of the put, upon
the Fund's  exercise of the put, to deliver to the Fund an amount of cash if the


                                       4
<PAGE>


closing level of the index upon which the put is based is less than the exercise
price of the put,  which  amount of cash is  determined  by the  multiplier,  as
described above for calls. When the Fund writes a put on an index, it receives a
premium  and the  purchaser  of the put has the right,  prior to the  expiration
date,  to  require  the Fund to  deliver  to it an amount  of cash  equal to the
difference  between the closing level of the index and the exercise  price times
the multiplier if the closing level is less than the exercise price.

RISKS OF OPTIONS  ON  INDICES.  If the Fund has  purchased  an index  option and
exercises it before the closing index value for that day is  available,  it runs
the risk that the level of the underlying index may subsequently change. If such
a change causes the exercised option to fall out-of-the-money,  the Fund will be
required to pay the difference  between the closing index value and the exercise
price of the option (times the applicable multiplier) to the assigned writer.

OTC OPTIONS. Unlike exchange-traded options, which are standardized with respect
to the underlying  instrument,  expiration date, contract size and strike price,
the terms of OTC  options  (options  not  traded  on  exchanges)  generally  are
established  through  negotiation  with the other party to the option  contract.
While this type of arrangement  allows the Fund great  flexibility to tailor the
option  to  its  needs,  OTC  options   generally   involve  greater  risk  than
exchange-traded  options,  which are guaranteed by the clearing  organization of
the exchanges where they are traded.

FUTURES  CONTRACTS  AND  OPTIONS  ON  FUTURES  CONTRACTS.  No price is paid upon
entering  into a  futures  contract.  Instead,  at the  inception  of a  futures
contract the Fund is required to deposit "initial margin" in an amount generally
equal to 10% or less of the contract  value.  Margin also must be deposited when
writing  a call  or  put  option  on a  futures  contract,  in  accordance  with
applicable  exchange rules.  Unlike margin in securities  transactions,  initial
margin  does not  represent  a  borrowing,  but  rather  is in the  nature  of a
performance  bond or  good-faith  deposit  that is  returned  to the Fund at the
termination  of  the  transaction  if  all  contractual  obligations  have  been
satisfied. Under certain circumstances,  such as periods of high volatility, the
Fund may be required by an exchange to increase the level of its initial  margin
payment,  and initial margin  requirements  might be increased  generally in the
future by regulatory action.

Subsequent  "variation  margin"  payments  are  made  to and  from  the  futures
commission merchant daily as the value of the futures position varies, a process
known as "marking-to-market."  Variation margin does not involve borrowing,  but
rather  represents a daily  settlement  of the Fund's  obligations  to or from a
futures  commission  merchant.  When the Fund  purchases  an option on a futures
contract,  the premium paid plus  transaction  costs is all that is at risk.  In
contrast,  when the Fund purchases or sells a futures  contract or writes a call
or put option thereon,  it is subject to daily variation margin calls that could
be  substantial  in the  event  of  adverse  price  movements.  If the  Fund has
insufficient cash to meet daily variation margin requirements,  it might need to
sell securities at a time when such sales are disadvantageous.

Purchasers  and  sellers of futures  contracts  and options on futures can enter
into  offsetting  closing  transactions,  similar  to  closing  transactions  in
options, by selling or purchasing,  respectively, an instrument identical to the
instrument  purchased  or sold.  Positions  in  futures  and  options on futures
contracts  may be closed only on an  exchange or board of trade that  provides a
secondary  market.  However,  there can be no assurance that a liquid  secondary


                                       5
<PAGE>


market will exist for a particular contract at a particular time. In such event,
it may not be possible to close a futures contract or options position.

Under certain circumstances, futures exchanges may establish daily limits on the
amount that the price of a futures  contract or an option on a futures  contract
can vary from the previous day's settlement  price;  once that limit is reached,
no trades may be made that day at a price  beyond the limit.  Daily price limits
do not limit  potential  losses because prices could move to the daily limit for
several  consecutive  days  with  little  or  no  trading,   thereby  preventing
liquidation of unfavorable positions.

If the Fund  were  unable to  liquidate  a  futures  contract  or an option on a
futures  position  due  to the  absence  of a  liquid  secondary  market  or the
imposition of price limits,  it could incur substantial  losses.  The Fund would
continue to be subject to market risk with respect to the position. In addition,
except in the case of purchased options,  the Fund would continue to be required
to make daily  variation  margin payments and might be required to maintain cash
or liquid assets in an account.

RISKS OF FUTURES  CONTRACTS AND OPTIONS  THEREON.  The ordinary  spreads between
prices  in the cash and  futures  markets  (including  the  options  on  futures
markets), due to differences in the natures of those markets, are subject to the
following factors, which may create distortions.  First, all participants in the
futures  market are  subject to margin  deposit  and  maintenance  requirements.
Rather than meeting additional margin deposit requirements,  investors may close
futures  contracts  through  offsetting  transactions,  which could  distort the
normal relationships between the cash and futures markets. Second, the liquidity
of  the  futures  market  depends  on  participants   entering  into  offsetting
transactions  rather than making or taking delivery.  To the extent participants
decide  to make or take  delivery,  liquidity  in the  futures  market  could be
reduced,  thus  producing   distortion.   Third,  from  the  point  of  view  of
speculators,  the deposit  requirements  in the futures  market are less onerous
than  margin  requirements  in  the  securities  market.  Therefore,   increased
participation  by speculators in the futures  market may cause  temporary  price
distortions.

COMBINED POSITIONS.  The Fund may purchase and write options in combination with
each other.  For  example,  the Fund may  purchase a put option and write a call
option on the same  underlying  instrument,  in order to  construct  a  combined
position whose risk and return  characteristics are similar to selling a futures
contract. Another possible combined position would involve writing a call option
at one  strike  price and  buying a call  option at a lower  price,  in order to
reduce the risk of the written call option in the event of a  substantial  price
increase.  Because combined  options  positions  involve  multiple trades,  they
result in higher  transaction  costs and may be more difficult to open and close
out.

U.S. GOVERNMENT SECURITIES
Securities  issued or  guaranteed  by the U.S.  Government  or its  agencies  or
instrumentalities  ("U.S.  Government Securities") include Treasury Bills (which
mature within one year of the date they are issued),  Treasury Notes (which have
maturities  of one to ten  years)  and  Treasury  Bonds  (which  generally  have
maturities of more than 10 years).  All such Treasury  securities  are backed by
the full faith and credit of the United States.

U.S.  Government  agencies  and   instrumentalities   that  issue  or  guarantee
securities include, but are not limited to, the Federal Housing  Administration,


                                       6
<PAGE>


the Federal  National  Mortgage  Association  ("Fannie  Mae"),  the Farmers Home
Administration,  the Export-Import Bank of the United States, the Small Business
Administration, the Government National Mortgage Association ("Ginnie Mae"), the
General Services Administration,  the Central Bank for Cooperatives, the Federal
Home Loan Banks, the Federal Home Loan Mortgage Corporation ("Freddie Mac"), the
Farm Credit Banks, the Maritime Administration,  the Tennessee Valley Authority,
the Resolution Funding Corporation and the Student Loan Marketing Association.

Securities   issued   or   guaranteed   by   U.S.    Government   agencies   and
instrumentalities  are not always  supported by the full faith and credit of the
United States.  Some, such as securities  issued by the Federal Home Loan Banks,
are  backed by the right of the  agency or  instrumentality  to borrow  from the
Treasury. Others, such as securities issued by Fannie Mae, are supported only by
the  credit of the  instrumentality  and by a pool of  mortgage  assets.  If the
securities are not backed by the full faith and credit of the United States, the
owner  of the  securities  must  look  principally  to the  agency  issuing  the
obligation  for  repayment  and may not be able to  assert a claim  against  the
United States in the event that the agency or instrumentality  does not meet its
commitment.

INDEXED SECURITIES
The Fund may  purchase  securities  the value of which varies in relation to the
value of other  securities,  securities  indices or other financial  indicators,
consistent with its investment objective.  Indexed securities typically, but not
always,  are debt  securities or deposits whose value at maturity or coupon rate
is determined by reference to a specific instrument or statistic. Recent issuers
of indexed  securities  have  included  banks,  corporations  and  certain  U.S.
Government  agencies.  Certain  indexed  securities  that are not  traded  on an
established  market  may be  deemed  illiquid.  See  "Illiquid  Investments  and
Restricted Securities" below.

AMERICAN DEPOSITORY RECEIPTS ("ADRS")
ADRs include ordinary shares and New York shares.  ADRs may be purchased through
"sponsored" or  "unsponsored"  facilities.  A sponsored  facility is established
jointly by the issuer of the  underlying  security and a  depository,  whereas a
depository may establish an unsponsored  facility  without  participation by the
issuer of the depository  security.  Holders of unsponsored  depository receipts
generally  bear  all the  costs  of such  facilities  and the  depository  of an
unsponsored facility frequently is under no obligation to distribute shareholder
communications  received  from the issuer of the  deposited  security or to pass
through  voting  rights  to the  holders  of  such  receipts  of  the  deposited
securities.  ADRs are not  necessarily  denominated  in the same currency as the
underlying  securities  to  which  they  may be  connected.  Generally,  ADRs in
registered form are designed for use in the U.S.  securities  market and ADRs in
bearer form are designed for use outside the United States.

REPURCHASE AGREEMENTS
The Fund may enter into repurchase agreements with banks that are members of the
Federal  Reserve  System or  securities  dealers  who are  members of a national
securities  exchange  or are  primary  dealers  in U.S.  Government  Securities.
Repurchase  agreements  generally  are for a short period of time,  usually less
than a week.  Repurchase  agreements with a maturity of more than seven days are
considered  to be  illiquid  investments.  The Fund may not  enter  into  such a
repurchase  agreement  if,  as a  result,  more than 15% of the value of its net
assets would then be invested in such  repurchase  agreements and other illiquid
investments.  See "Illiquid Investments and Restricted Securities" below.


                                       7
<PAGE>


The Fund  follows  certain  procedures  and  guidelines  adopted by the Board of
Trustees  ("Trustees" or the "Board") designed to minimize the risks inherent in
such transactions.  These procedures include effecting  repurchase  transactions
only  with  large,  well-capitalized  and  well-established  institutions  whose
financial condition will be monitored by the Adviser. In addition, the Fund will
always receive, as collateral,  securities whose market value, including accrued
interest,  at all  times  will be at least  equal to 100% of the  dollar  amount
invested by the Fund in each repurchase agreement.  If the seller defaults,  the
Fund might incur a loss if the value of the  collateral  securing the repurchase
agreement  declines  and  might  incur  disposition  costs  in  connection  with
liquidating the collateral.  In addition,  if bankruptcy or similar  proceedings
are commenced with respect to the seller of the security,  realization  upon the
collateral by the Fund may be delayed or limited.

BORROWING
The Fund may borrow money for investment  purposes,  as a temporary  measure for
extraordinary  or emergency  purposes and to meet  redemption  requests  without
immediately selling portfolio securities.

Borrowing for  investment is known as  leveraging.  Leveraging  investments,  by
purchasing  securities  with borrowed  money,  is a speculative  technique  that
increases investment risk while increasing investment opportunity. Leverage will
magnify  changes in the Fund's net asset value.  Although the  principal of such
borrowings will be fixed,  the Fund's assets may change in value during the time
the borrowing is outstanding.  Leverage also creates  interest  expenses for the
Fund. To the extent the income derived from  securities  purchased with borrowed
funds exceeds the interest the Fund will have to pay, the Fund's net income will
be greater than it would be if leverage were not used. Conversely, if the income
from the assets obtained with borrowed funds is not sufficient to cover the cost
of  leveraging,  the net  income  of the Fund  will be less  than it would be if
leverage were not used, and therefore the amount  available for  distribution to
shareholders as dividends will be reduced.

The Fund may borrow money to facilitate  management of its portfolio by enabling
it to meet  redemption  requests when the  liquidation of portfolio  instruments
would be inconvenient or  disadvantageous.  Such borrowing is not for investment
purposes and will be repaid by the Fund promptly.

As required by the 1940 Act, the Fund must maintain  continuous  asset  coverage
(total assets,  including assets acquired with borrowed funds,  less liabilities
exclusive of  borrowings)  of 300% of all amounts  borrowed.  If at any time the
value of the required asset coverage declines as a result of market fluctuations
or other  reasons,  the  Fund  may be  required  to sell  some of its  portfolio
investments within three days to reduce the amount of its borrowings and restore
the  300%  asset  coverage,  even  though  it may  be  disadvantageous  from  an
investment standpoint to sell portfolio instruments at that time.

In  addition  to the  foregoing,  the Fund  may  borrow  money  from a bank as a
temporary  measure for  extraordinary  or  emergency  purposes in amounts not in
excess of 5% of the value of its total assets.  This borrowing is not subject to
the foregoing 300% asset  coverage  requirement.  The Fund may pledge  portfolio
securities as the Adviser deems appropriate in connection with any borrowings.


                                       8
<PAGE>


LENDING PORTFOLIO SECURITIES
The Fund may lend portfolio securities with a value not exceeding 33 1/3% of its
total assets to brokers,  dealers,  and  financial  institutions.  Borrowers are
required  continuously to secure their  obligations to return securities on loan
from the Fund by depositing any combination of short-term  government securities
and cash as collateral  with the Fund. The collateral  must be equal to at least
100% of the  market  value of the  loaned  securities,  which  will be marked to
market  daily.  While the  Fund's  portfolio  securities  are on loan,  the Fund
continues to receive interest on the securities loaned and simultaneously  earns
either interest on the investment of the collateral or fee income if the loan is
otherwise  collateralized.  The Fund may invest the  interest  received  and the
collateral,  thereby  earning  additional  income.  Loans  would be  subject  to
termination  by the Fund on four business days' notice or by the borrower on one
day's notice.  Borrowed securities must be returned when the loan is terminated.
Any gain or loss in the market  price of the  borrowed  securities  that  occurs
during the term of the loan  inures to the Fund and its  shareholders.  The Fund
may pay  reasonable  finders,  borrowers,  administrative  and custodial fees in
connection  with a loan.  The Fund  currently  has no  intention  of lending its
portfolio securities.

INVESTMENTS IN OTHER INVESTMENT COMPANIES
The Fund may  invest in the  securities  of other  investment  companies  to the
extent that such an investment  would be consistent with the requirements of the
1940 Act.  Investments  in the  securities  of other  investment  companies  may
involve duplication of advisory fees and certain other expenses. By investing in
another  investment  company,  the Fund becomes a shareholder of that investment
company.  As a  result,  Fund  shareholders  indirectly  will  bear  the  Fund's
proportionate  share of the fees and expenses paid by  shareholders of the other
investment  company,  in addition  to the fees and  expenses  Fund  shareholders
directly bear in connection with the Fund's own operations.

ILLIQUID INVESTMENTS AND RESTRICTED SECURITIES
The Fund will not  purchase or  otherwise  acquire any security if, as a result,
more than 15% of its net assets  (taken at current  value)  would be invested in
investments  that are  illiquid by virtue of the absence of a readily  available
market or legal or  contractual  restrictions  on resale.  This  policy does not
include  restricted  securities  eligible for resale pursuant to Rule 144A under
the  Securities  Act of 1933, as amended  ("1933  Act"),  which the Board or the
Adviser has determined  under  Board-approved  guidelines are liquid.  The Fund,
however, currently does not anticipate investing in such restricted securities.

The term "illiquid  investments" for this purpose means  investments that cannot
be  disposed  of  within  seven  days in the  ordinary  course  of  business  at
approximately  the  amount  at  which  the  Fund  has  valued  the  investments.
Investments   currently  considered  to  be  illiquid  include:  (1)  repurchase
agreements  not  terminable  within seven days,  (2) securities for which market
quotations  are not readily  available,  (3) OTC  options  and their  underlying
collateral,  (4) bank deposits, unless they are payable at principal amount plus
accrued  interest on demand or within seven days after demand and (5) restricted
securities not determined to be liquid pursuant to guidelines established by the
Board.  The  assets  used as cover for OTC  options  written by the Fund will be
considered  illiquid  unless the OTC options are sold to  qualified  dealers who
agree that the Fund may  repurchase  any OTC option it writes at a maximum price
to be calculated by a formula set forth in the option  agreement.  The cover for
an OTC option  written  subject to this procedure  would be considered  illiquid
only to the extent that the maximum  repurchase  price under the formula exceeds
the intrinsic value of the option.


                                       9
<PAGE>


The Fund may not be able to sell illiquid investments when the Adviser considers
it  desirable to do so or may have to sell such  investments  at a price that is
lower than the price that could be obtained if the investments  were liquid.  In
addition,  the sale of illiquid  investments may require more time and result in
higher  dealer  discounts  and  other  selling  expenses  than  does the sale of
investments  that  are  not  illiquid.  Illiquid  investments  also  may be more
difficult to value due to the  unavailability  of reliable market quotations for
such  investments,  and investment in illiquid  investments  may have an adverse
impact on net asset value.

Rule 144A establishes a "safe harbor" from the registration  requirements of the
1933 Act for resales of certain  securities to qualified  institutional  buyers.
Institutional  markets for restricted securities that have developed as a result
of Rule 144A provide both readily  ascertainable  values for certain  restricted
securities  and  the  ability  to  liquidate  an  investment  to  satisfy  share
redemption  orders.  An insufficient  number of qualified  institutional  buyers
interested  in  purchasing  Rule  144A-eligible  securities  held  by the  Fund,
however,  could affect adversely the marketability of such portfolio  securities
and the  Fund  may be  unable  to  dispose  of such  securities  promptly  or at
reasonable prices.

PORTFOLIO TURNOVER
As discussed in the Prospectus, the Fund anticipates that its investors, as part
of an asset allocation investment strategy,  frequently will redeem Fund shares,
as well as  exchange  their Fund  shares for shares of other  portfolios  of the
Trust. The Fund may have to dispose of certain portfolio investments to maintain
sufficient liquid assets to meet such redemption and exchange requests,  thereby
causing a high portfolio turnover.

The Fund's portfolio  turnover rate is calculated by the value of the securities
purchased or securities  sold,  excluding all securities whose maturities at the
time of acquisition were one year or less,  divided by the average monthly value
of such securities owned during the year. Based on this calculation, instruments
with remaining  maturities of less than one year are excluded from the portfolio
turnover rate. Such  instruments  generally would include futures  contracts and
options,  since such contracts  generally have a remaining maturity of less than
one  year.  In any  given  period,  all of the  Fund's  investments  may  have a
remaining  maturity of less than one year; in which case, the portfolio turnover
rate for that  period  would be equal to zero.  However,  the  Fund's  portfolio
turnover rate calculated with all securities  whose  maturities were one year or
less is anticipated to be unusually high.


                             INVESTMENT RESTRICTIONS

The Fund has adopted the following investment limitations, which are fundamental
policies  and  may  not  be  changed  without  the  vote  of a  majority  of the
outstanding  voting  securities of the Fund.  Under the 1940 Act, a "vote of the
majority of the outstanding  voting  securities" of a Fund means the affirmative
vote of the lesser of: (1) more than 50% of the outstanding  shares of a Fund or
(2) 67% or more of the  shares of a Fund  present at a  shareholders  meeting if
more than 50% of the outstanding shares are represented at the meeting in person
or by proxy.

For purposes of the following  limitations,  all  percentage  limitations  apply
immediately  after a purchase  or initial  investment.  Except  with  respect to


                                       10
<PAGE>


borrowing  money,  if a percentage  limitation  is adhered to at the time of the
investment,  a later increase or decrease in the  percentage  resulting from any
change  in  value  or  net  assets  will  not  result  in a  violation  of  such
restrictions. If at any time the Fund's borrowings exceed its limitations due to
a decline in net assets,  such borrowings will be reduced promptly to the extent
necessary to comply with the limitation.

THE FUND HAS ADOPTED THE FOLLOWING FUNDAMENTAL INVESTMENT POLICY that enables it
to invest in another investment company or series thereof that has substantially
similar investment objectives and policies:

        Notwithstanding  any other  limitation,  the Fund may  invest all of its
        investable  assets in an open-end  management  investment  company  with
        substantially the same investment  objectives,  policies and limitations
        as the Fund.  For this purpose,  "all of the Fund's  investable  assets"
        means that the only investment  securities that will be held by the Fund
        will be the Fund's interest in the investment company.

THE FUND HAS ADOPTED THE FOLLOWING INVESTMENT LIMITATIONS:

The Fund shall not:

1.  Lend any security or make any other loan if, as a result,  more than 33 1/3%
    of the value of the  Fund's  total  assets  would be lent to other  parties,
    except (1) through the purchase of a portion of an issue of debt  securities
    in accordance with the Fund's investment objective, policies and limitations
    or (2) by  engaging  in  repurchase  agreements  with  respect to  portfolio
    securities.

2.  Underwrite securities of any other issuer.

3.  Purchase, hold, or deal in real estate or oil and gas interests.

4.  Issue any senior  security (as such term is defined in Section  18(f) of the
    1940 Act)  (including  the amount of senior  securities  issued by excluding
    liabilities and indebtedness not constituting senior securities), except (1)
    that the Fund may issue senior securities in connection with transactions in
    options,  futures,  options on  futures,  forward  contracts,  swaps,  caps,
    floors, collars and other similar investments and (2) as otherwise permitted
    herein and in Investment Limitations Nos. 5, 7, and 8.

5.  Pledge, mortgage, or hypothecate the Fund's assets, except (1) to the extent
    necessary  to  secure  permitted  borrowings,  (2) in  connection  with  the
    purchase of securities on a forward-commitment or delayed-delivery  basis or
    the sale of securities on a  delayed-delivery  basis,  and (3) in connection
    with  options,  futures  contracts,  options on futures  contracts,  forward
    contracts, swaps, caps, floors, collars and other financial instruments.

6.  Invest in physical  commodities,  except that the Fund may purchase and sell
    options, futures contracts, options on futures contracts, forward contracts,
    swaps,  caps,  floors,  collars,   securities  on  a  forward-commitment  or
    delayed-delivery basis, and other financial instruments.


                                       11
<PAGE>


7.  Invest more than 25% of the value of its total assets in the  securities  of
    issuers in any single  industry,  provided that there shall be no limitation
    on the purchase of obligations issued or guaranteed by the U.S.  Government,
    its agencies or instrumentalities.

8.  Make  short  sales  of  portfolio   securities  or  purchase  any  portfolio
    securities on margin but may make short sales "against the box," obtain such
    short-term  credits as are necessary for the clearance of transactions,  and
    make margin payments in connection with options, futures contracts,  options
    on futures contracts,  forward contracts,  swaps, caps, floors,  collars and
    other financial instruments.

9.  Borrow money,  except (1) to the extent  permitted under the 1940 Act (which
    currently  limits  borrowing  to no more  than 33 1/3% of the  value  of the
    Fund's total  assets),  (2) as a temporary  measure and then only in amounts
    not to exceed 5% of the value of the Fund's total assets,  (3) to enter into
    reverse repurchase  agreements,  and (4) to lend portfolio  securities.  For
    purposes of this  investment  limitation,  the  purchase or sale of options,
    futures contracts,  options on futures contracts,  forward contracts, swaps,
    caps, floors,  collars and other financial  instruments shall not constitute
    borrowing.



                      PORTFOLIO TRANSACTIONS AND BROKERAGE

Subject to the general  supervision by the Trustees,  the Adviser is responsible
for  decisions  to buy and  sell  securities  for the  Fund,  the  selection  of
broker-dealers  to effect the  transactions,  and the  negotiation  of brokerage
commissions,  if any. The Adviser expects that the Fund may execute brokerage or
other agency transactions through registered  broker-dealers,  for a commission,
in  conformity  with the 1940  Act,  the  Securities  Exchange  Act of 1934,  as
amended, and the rules and regulations thereunder.

In  effecting  portfolio  transactions  for the Fund,  the  Adviser  seeks  best
execution  of  trades  either  (1) at the most  favorable  price  and  efficient
execution  of  transactions  or (2) with  respect to agency  transactions,  at a
higher rate of  commission  if  reasonable in relation to brokerage and research
services  provided to the Fund or the  Adviser.  Such  services  may include the
following:  information  as to the  availability  of securities  for purchase or
sale;  statistical or factual  information or opinions pertaining to investment;
wire services;  and appraisals or evaluations of portfolio securities.  The Fund
believes that the requirement always to seek the lowest possible commission cost
could  impede  effective  portfolio  management  and  preclude  the Fund and the
Adviser from  obtaining a high quality of brokerage  and research  services.  In
seeking to determine the  reasonableness  of brokerage  commissions  paid in any
transaction,  the Adviser  relies upon its  experience  and knowledge  regarding
commissions  generally  charged  by  various  brokers  and  on its  judgment  in
evaluating  the  brokerage  and  research  services  received  from  the  broker
effecting the transaction.

The Adviser may use research and services provided to it by brokers in servicing
the  Fund;  however,  not  all  such  services  may be used  by the  Adviser  in
connection  with a Fund.  While the receipt of such  information and services is
useful in varying  degrees and generally  would reduce the amount of research or
services otherwise performed by the Adviser, this information and these services
are of  indeterminable  value and  would not  reduce  the  Adviser's  investment
advisory fee to be paid by the Fund.


                                       12
<PAGE>


Purchases  and  sales of U.S.  Government  Securities  normally  are  transacted
through  issuers,  underwriters or major dealers in U.S.  Government  Securities
acting  as  principals.  Such  transactions  are made on a net  basis and do not
involve payment of brokerage commissions.  The cost of securities purchased from
an  underwriter  usually  includes  a  commission  paid  by  the  issuer  to the
underwriters;  transactions with dealers normally reflect the spread between bid
and asked prices.


                        MANAGEMENT OF THE TRUST AND FUND

TRUSTEES AND OFFICERS
The  following  table lists the Trustees  and officers of the Trust,  their age,
business  address and principal  occupation  during the past five years.  Unless
otherwise  noted, an  individual's  business  address is 550 Mamaroneck  Avenue,
Harrison, New York 10528.

<TABLE>
<CAPTION>
                                    Position With                  Principal Occupation
          Name                        the Trust                   During Past Five Years
          ----                       ---------                   ----------------------
<S>                           <C>                             <C> 

Lawrence C. Rafferty*         Chief Executive Officer,        Chairman and Chief Executive Officer
(56)                          President, Chairman  of         of the Adviser, 1997-present; Chief
                              the  Board of Trustees          Executive Officer of Rafferty
                                                              Companies, LLC, 1996-present; Chief
                                                              Executive Officer of Cohane Rafferty
                                                              Securities, Inc., 1987-present
                                                              (investment banking); Chief Executive
                                                              Officer of Rafferty Capital Markets,
                                                              Inc., 1995-present; Trustee of
                                                              Fairfield University.

Jay F. Higgins* (53)          Trustee                         Managing Partner of CloverLeaf
411 West Putnam Street                                        Partners, Inc., 1992-1997 (investment
Greenwich, CT 06830                                           banking).

Daniel J. Byrne (54)          Trustee                         President and Chief Executive Officer
1325 Franklin Avenue                                          of Byrne Securities Inc.,
Suite 285                                                     1992-present; Partner of Byrne Capital
Garden City, NY 11530                                         Management LLP, 1996-present.

George T. Glisker (51)*       Trustee                         President  of  GTG  Securities   Corp.,
1010 Franklin Avenue                                          April   1997-present    (hedge   fund);
Garden City, NY 11530                                         President  of New  York  Capital  Mkts.
                                                              Inc.

Gerald E. Shanley III (55)    Trustee                         Business Consultant, 1985-present;
12 First Street                                               Trustee of Estate of Charles S.
Pelham, NY 10803                                              Payson, 1987-present.

James Terry Apple (59)        Chief Investment Officer        Vice President of the Adviser,
100 S. Royal Street                                           1997-present; Portfolio Manager of
Alexandria, VA 22314                                          PADCO Advisors, 1994-1997; Portfolio
                                                              Manager of Money Management
                                                              Associates, 1992-1993.

                                                 13
<PAGE>


Timothy P. Hagan (56)         Chief Financial Officer         Vice President of the Adviser,
100 S. Royal Street                                           1997-present; Vice President of PADCO
Alexandria, VA 22314                                          Advisers, 1993-1997, Vice President of
                                                              Money Management Associates, 1981-1993.

Philip A. Harding (55)        Senior Vice President           Vice President of the Adviser,
                                                              1997-present; Vice President of
                                                              Commerzbank (USA), 1995-1997; Senior
                                                              Vice President of Sanwa Bank (USA),
                                                              1992-1995.

Thomas A. Mulrooney           Chief Operating Officer         Chief Operating Officer of the
(51)                                                          Adviser, 1997-present; President of
                                                              Rafferty Capital Markets, 1995-1997;
                                                              Managing Partner of Cantor Fitzgerald,
                                                              Inc., 1993-1995; Executive Vice
                                                              President and Director of Trading for
                                                              J.J. Kenny Drake, Inc., 1985-1993.

Mark D. Edwards (40)           Vice President                 Vice President of the Adviser, 1997 to
100 S. Royal Street                                           present; President & Co-Founder of
Alexandria, VA 22314                                          Systems Management Group, 1990-1997.

Stephen P. Sprague (49)       Treasurer,                      Vice President and Chief Financial
                              Controller                      and  Officer of the Adviser, 1997-present;
                              Assistant Secretary             Chief Financial Officer of Rafferty
                                                              Companies, LLC, 1994-present; Chief
                                                              Accountant--International Sub.,
                                                              Goldman Sachs & Co., 1983-1993.

Robert J. Zutz (46)           Secretary                       Partner, Kirkpatrick & Lockhart LLP
1800 Massachusetts Ave.                                       (law firm).
Washington, DC 20036

Eric W. Falkeis (25)          Assistant Secretary             Compliance Officer, Firstar Mutual
615 East Michigan Street                                      Fund Services LLC, 1997-present; Audit
Milwaukee, WI 53202                                           Senior with Pricewaterhouse-Coopers
                                                              LLP, 1995-1997
</TABLE>

- -----------------  

*  Messrs.  Rafferty,  Higgins and Glisker are deemed to be "interested persons"
   of the Trust, as defined by the 1940 Act.

                                                 14
<PAGE>



The Trust's  Declaration  of Trust provides that the Trustees will not be liable
for  errors  of  judgment  or  mistakes  of fact or law.  However,  they are not
protected  against any  liability  to which they would  otherwise  be subject by
reason of willful misfeasance, bad faith, gross negligence or reckless disregard
of the duties involved in the conduct of their office.

The Trust will pay the Trustees who are not "interested persons" of the Trust as
defined by the 1940 Act ("Independent  Trustees") $500 per meeting of the Board.
The Adviser  will pay  Messrs.  Higgins and  Glisker  similar  compensation  per
meeting of the Board.  Trustees also are reimbursed for any expenses incurred in
attending  Board  meetings.  No  officer,  director  or  employee of the Adviser
receives any compensation from the Fund for acting as a director or officer. The
following  table shows the  compensation  earned by each Trustee for the Trust's
prior fiscal year ended August 31, 1998. For that prior fiscal year, Mr. Glisker
served as an Independent Trustee to the Board.

<TABLE>
<CAPTION>

- -----------------------------------------------------------------------------------------------------
                                                  Pension or                          Aggregate
                                                  Retirement        Estimated       Compensation
                              Aggregate        Benefits Accrued      Annual        From the Trust
Name of Person,             Compensation        As Part of the    Benefits Upon      Paid to the
  Position                 From the Trust      Trust's Expenses     Retirement         Trustees
  --------                 --------------      ----------------     ----------         --------
- -----------------------------------------------------------------------------------------------------
<S>                            <C>                   <C>                <C>             <C>  
Lawrence C. Rafferty,            $0                  $0                 $0                $0
Trustee

Jay F. Higgins, Trustee          $0                  $0                 $0                $0

Daniel J. Byrne, Trustee       $2,000                $0                 $0              $2,000

George T. Glisker,             $2,000                $0                 $0              $2,000
Trustee

Gerald E. Shanley III,         $2,000                $0                 $0              $2,000
Trustee
- -----------------------------------------------------------------------------------------------------
</TABLE>


INVESTMENT ADVISER
The Fund's investment adviser, Rafferty Asset Management,  LLC, was organized as
a New  York  limited  liability  corporation  in  1997.  The  Adviser  has  been
registered as an investment  adviser since June 1997.  The Adviser is controlled
by Lawrence C. Rafferty.


                                       15
<PAGE>

Under an Investment Advisory Agreement between the Trust, on behalf of the Fund,
and the  Adviser  ("Advisory  Agreement"),  the  Adviser  provides a  continuous
investment  program  for the Fund's  assets in  accordance  with its  investment
objective,  policies and limitations,  and oversees the day-to-day operations of
the Fund,  subject to the  supervision  of the  Trustees.  The Adviser bears all
costs associated with providing these advisory  services and the expenses of the
Trustees who are affiliated with or interested persons of the Adviser.  The Fund
bears all other expenses that are not assumed by the Adviser as described in the
Prospectus.  The Fund also is liable  for  nonrecurring  expenses  as may arise,
including litigation to which the Fund may be a party. The Fund also may have an
obligation  to indemnify  its  Trustees  and  officers  with respect to any such
litigation.

Pursuant to the Advisory  Agreement the Fund pays the Adviser a fee at an annual
rate of 0.75% based on its average  daily net  assets.  The Adviser  voluntarily
will waive its fees and,  if  necessary,  reimburse  the Fund to the extent that
annual operating expenses exceed 1.50% of the Fund's average daily net assets.

The Advisory  Agreement was approved by the Trustees  (including all Independent
Trustees)  and the  Adviser,  in  compliance  with the 1940  Act.  The  Advisory
Agreement will continue in force for a period of two years after the date of its
approval.  The Agreement is renewable  thereafter from year to year with respect
to the Fund, so long as its continuance is approved at least annually (1) by the
vote,  cast in person at a meeting  called for that  purpose,  of a majority  of
those Trustees who are not "interested  persons" of the Adviser or the Fund, and
(2) by the  majority  vote of either the full Board or the vote of a majority of
the  outstanding  shares  of  a  Fund.  The  Advisory  Agreement   automatically
terminates on assignment  and is terminable on 60 days' written notice either by
the Fund or the Adviser.

FUND ADMINISTRATOR, FUND ACCOUNTANT, TRANSFER AGENT AND CUSTODIAN 
Firstar  Mutual  Fund  Services,  LLC  615,  East  Michigan  Street,  Milwaukee,
Wisconsin  53202,  provides  administrative,  fund accounting and transfer agent
services to the Fund.  Firstar Bank Milwaukee,  N.A., 615 East Michigan  Street,
Milwaukee, Wisconsin 53202 provides custodian services to the Fund.

Pursuant to an Administration  Servicing Agreement ("Service Agreement") between
the  Trust  and  Firstar  Mutual  Fund  Services,  LLC  ("Administrator"),   the
Administrator  provides the Fund with  administrative  and  management  services
(other than investment advisory  services).  As compensation for these services,
the Trust pays the Administrator a fee of .06% of the first  $200,000,000 of the
Trust's average daily net assets,  .05% of the next  $300,000,000 of the Trust's
average  daily net assets,  and .03% of the Trust's  average daily net assets in
excess of  $500,000,000.  Notwithstanding  the  foregoing,  the  Administrator's
minimum annual fee is $150,000.

Pursuant to a Fund Accounting  Servicing Agreement between the Trust and Firstar
Mutual Fund Services, LLC ("Fund Accountant"),  the Fund Accountant provides the
Fund with accounting  services,  including portfolio  accounting  services,  tax
accounting services and furnishing  financial reports.  For these services,  the
Trust pays the Fund  Accountant  a flat  annual fee of $22,000 for the first $40
million of average  daily net assets of the Fund.  The Fund  Accountant  also is
entitled to certain out-of-pocket expenses, including pricing expenses.


                                       16
<PAGE>

Pursuant to a Custodian  Agreement,  Firstar Bank Milwaukee,  N.A. serves as the
Custodian of the Fund's assets. Under the terms of the Custodian Agreement,  the
Custodian holds and administers the assets in the Fund's portfolio.

DISTRIBUTOR
Rafferty Capital Markets, Inc., 550 Mamaroneck Avenue, Harrison, New York 10528,
serves as the distributor ("Distributor") in connection with the offering of the
Fund's shares on a no-load basis. The Distributor and participating dealers with
whom it has entered into dealer agreements offer shares of the Fund as agents on
a best  efforts  basis  and are not  obligated  to sell any  specific  amount of
shares.

DISTRIBUTION PLAN
Rule 12b-1  under the 1940 Act  provides  that an  investment  company  may bear
expenses  of  distributing  its  shares  only  pursuant  to a  plan  adopted  in
accordance with the Rule. The Trustees have adopted such a plan (the "Plan") for
the Fund pursuant to which the Fund would compensate the Distributor for certain
expenses  incurred  in the  distribution  of its  shares and the  servicing  and
maintenance  of existing Fund  shareholder  accounts.  Pursuant to the Plan, the
Fund may pay the Distributor a service fee of up to 0.25% and a distribution fee
of up to 0.75% of the Fund's  average  daily net assets.  However,  the Trustees
have not authorized  payment of any fees pursuant to the Plan. The Trustees will
authorize  such  payments  only when they  believe  that  there is a  reasonable
likelihood  that the Plan will  benefit  the Fund and its  shareholders.  If the
Trustees do authorize  payment of fees  pursuant to the Plan,  the Trustees will
review  quarterly and annually a written report provided by the Treasurer of the
amounts  expended  under the Plan and the purposes  for which such  expenditures
were made.

The Plan will continue in effect, with respect to the Fund, from year to year as
long as its continuance is approved annually by either the Trustees or by a vote
of a majority of the outstanding  voting securities of the Fund. In either case,
to continue,  the Plan must be approved by the vote of a majority of Independent
Trustees. The Plan can be terminated, with respect to the Fund, at any time by a
vote of a majority of the Independent Trustees or by a vote of a majority of the
outstanding voting securities of the Fund.

INDEPENDENT ACCOUNTANTS
PricewaterhouseCoopers  LLP, 100 East Wisconsin Avenue,  Suite 1500,  Milwaukee,
Wisconsin 53202, are the auditors and the independent accountants for the Fund.


                        DETERMINATION OF NET ASSET VALUE

As  described  in the  Prospectus,  the net asset value per share of the Fund is
determined  daily,  Monday through Friday,  each day the New York Stock Exchange
("NYSE") is open for business,  which excludes New Year's Day,  Presidents' Day,
Martin Luther King's  Birthday,  Good Friday,  Memorial Day,  Independence  Day,
Labor Day, Thanksgiving Day, and Christmas Day.

A security  listed or traded on an exchange or the Nasdaq Stock Market is valued
at its last  sales  price on the  principal  exchange  or  market on which it is
traded prior to the time when assets are valued.  If no sale is reported at that
time, the mean of the last bid and ask price is used. When market quotations for
options and futures  positions  held by the Fund are  readily  available,  those


                                       17
<PAGE>


positions will be valued based upon such quotations. Securities and other assets
for which market quotations are not readily available,  or for which the Adviser
has reason to question the validity of quotations  received,  are valued at fair
value as determined in good faith in accordance with  procedures  established by
the  Board.  Short-term  investments  having a  maturity  of 60 days or less are
valued at amortized cost, which approximates market value.

                             PERFORMANCE INFORMATION

The Fund's performance data quoted in reports, advertising and other promotional
materials  represents  past  performance  and is not intended to indicate future
performance.  The  investment  return  and  principal  value  for the Fund  will
fluctuate so that an investor's shares, when redeemed, may be worth more or less
than their original costs.

COMPARATIVE INFORMATION
From time to time, the Fund's  performance may be compared with recognized stock
and other indices, such as the Russell 2000 Index ("Russell 2000"), the Standard
& Poor's  Composite  Stock  Price Index ("S&P  500"),  the Dow Jones  Industrial
Average ("DJIA"),  the Nasdaq 100 Stock IndexTM ("Nasdaq Index"), and the Nasdaq
Composite IndexTM ("Nasdaq  Composite") and various other domestic indices.  The
S&P 500 is a broad index of common  stock  prices,  while the DJIA  represents a
narrower  segment  of  industrial   companies.   Each  assumes  reinvestment  of
distributions and is calculated  without regard to tax consequences or operating
expenses.

In addition, the Fund's total return may be compared to the performance of broad
groups of comparable mutual funds with similar  investment  objectives,  as such
performance is tracked and published by such independent organizations as Lipper
Analytical Services, Inc. ("Lipper"), and CDA Investment Technologies, Inc. When
Lipper's  tracking  results  are used,  the Fund will be  compared  to  Lipper's
appropriate  fund category,  that is, by fund objective and portfolio  holdings.
Since the assets in all mutual funds are always changing, the Fund may be ranked
within one Lipper  asset-size class at one time and in another Lipper asset-size
class at some  other  time.  Footnotes  in  advertisements  and other  marketing
literature  will  include  the time  period  and  Lipper  asset-size  class,  as
applicable,  for the  ranking  in  question.  Performance  figures  are based on
historical results and are not intended to indicate future performance.

TOTAL RETURN COMPUTATIONS
For purposes of quoting and  comparing  the  performance  of the Fund to that of
other mutual funds and to other relevant market indices in  advertisements or in
reports  to  shareholders,  performance  for the Fund may be  stated in terms of
total  return.  Such  average  annual  total  return  quotes  for the  Fund  are
calculated according to the following formula:

                                   P(1+T)n(SUPERSCRIPT)=ERV

        Where:     P  =   a hypothetical initial payment of $1,000
                   T  =   average annual total return
                   n  =   number of years (either 1, 5 or 10)
                 ERV  =   ending  redeemable  value of a  hypothetical  $1,000
                          payment  made at the  beginning of the 1, 5 or 10 year
                          periods, as applicable, at the end of that period


                                       18
<PAGE>


Under the foregoing formula,  the time periods used in advertising will be based
on rolling calendar quarters, updated to the last day of the most recent quarter
prior to submission of the advertising for publication,  and will cover 1, 5 and
10 year periods or a shorter period dating from the  commencement  of the Fund's
operations.  In  calculating  the ending  redeemable  value,  all  dividends and
distributions by the Fund are assumed to have been reinvested at net asset value
on the reinvestment dates during the period. Total return, or "T" in the formula
above, is computed by finding the average annual compounded rates of return over
the 1, 5 and 10 year periods (or fractional  portion  thereof) that would equate
the initial amount invested to the ending redeemable value.

From time to time, the Fund also may include in such  advertising a total return
figure that is not calculated  according to the formula set forth above in order
to compare more  accurately  the  performance of the Fund with other measures of
investment return.  For example,  in comparing the total return of the Fund with
data published by Lipper or with such market  indices as the  performance of the
Russell 2000 the Fund  calculates  its aggregate  total return for the specified
periods of time by assuming an investment of $10,000 in Fund shares and assuming
the  reinvestment  of each dividend or other  distribution at net asset value on
the reinvestment  date.  Percentage  increases are determined by subtracting the
initial  value of the  investment  from the  ending  value and by  dividing  the
remainder by the beginning value.


                    DIVIDENDS, OTHER DISTRIBUTIONS AND TAXES

DIVIDENDS AND OTHER DISTRIBUTIONS
Dividends  from net  investment  income and any  distributions  of realized  net
capital  gains  will  be  distributed  as  described  in  the  Prospectus  under
"Dividends and Other  Distributions."  All distributions  from the Fund normally
will be  automatically  reinvested  without  charge in additional  shares of the
Fund.

TAXES
REGULATED  INVESTMENT  COMPANY  STATUS.  To qualify for treatment as a regulated
investment  company ("RIC") under the Internal  Revenue Code of 1986, as amended
("Code"),  the Fund -- which is  treated  as a  separate  corporation  for these
purposes -- must distribute to its  shareholders  for each taxable year at least
90% of its  investment  company  taxable  income  (consisting  generally  of net
investment income and net short-term capital gain) ("Distribution  Requirement")
and must meet several additional  requirements.  These requirements  include the
following:  (1) the Fund  must  derive at least  90% of its  gross  income  each
taxable year from  dividends,  interest,  payments  with  respect to  securities
loans,  and gains from the sale or other  disposition  of  securities,  or other
income  (including  gains from  options or futures)  derived with respect to its
business of investing in securities ("Income Requirement"); and (2) at the close
of each quarter of the Fund's taxable year, (i) at least 50% of the value of its
total  assets  must be  represented  by cash and  cash  items,  U.S.  Government
Securities,  securities of other RICs,  and other  securities,  with those other
securities  limited,  in respect of any one  issuer,  to an amount that does not
exceed 5% of the value of the Fund's  total  assets and that does not  represent
more than 10% of the issuer's  outstanding voting securities,  and (ii) not more
than 25% of the value of its total assets may be invested in  securities  (other
than U.S.  Government  Securities  or the  securities  of other RICs) of any one
issuer (collectively, "Diversification Requirements").

                                       19
<PAGE>


Although the Funds intend to satisfy all the foregoing requirements, there is no
assurance  that the  Fund  will be able to do so.  An  investment  primarily  in
options and futures positions entails some risk such that the Fund might fail to
satisfy the Diversification  Requirements.  There is some uncertainty  regarding
the valuation of such positions for purposes of those requirements; accordingly,
it is possible that the method of valuation used by the Fund,  pursuant to which
it would be treated as satisfying the Diversification Requirements, would not be
accepted  in an audit by the  Internal  Revenue  Service,  which  might  apply a
different method resulting in disqualification of the Fund.

GENERAL.  If Fund  shares are sold at a loss after  being held for six months or
less, the loss will be treated as long-term, instead of short-term, capital loss
to the  extent of any  capital  gain  distributions  received  on those  shares.
Investors  also should be aware that if shares are purchased  shortly before the
record date for any dividend or capital gain distribution,  the shareholder will
pay full price for the shares and receive  some  portion of the  purchase  price
back as a taxable distribution.

The Fund will be subject to a nondeductible  4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year  substantially all
of its  ordinary  income  for that  year and  capital  gain net  income  for the
one-year period ending on October 31 of that year, plus certain other amounts.

DISTRIBUTIONS  TO  FOREIGN  SHAREHOLDERS.  Dividends  paid  by  the  Fund  to  a
shareholder who, as to the United States,  is a nonresident  alien individual or
nonresident  alien  fiduciary  of a trust or  estate,  foreign  corporation,  or
foreign partnership  ("foreign  shareholder")  generally will be subject to U.S.
withholding  tax (at a rate of 30% or, if the  United  States  has an income tax
treaty with the foreign country where the foreign shareholder resides, any lower
treaty rate). An investor claiming to be a foreign  shareholder will be required
to provide the Fund with supporting documentation in order for the Fund to apply
a reduced  withholding rate or exemption from withholding.  Withholding will not
apply if a dividend paid by the Fund to a foreign  shareholder  is  "effectively
connected  with the  conduct  of a U.S.  trade or  business,"  in which case the
reporting and withholding  requirements applicable to domestic shareholders will
apply.

DERIVATIVES  STRATEGIES.  The use of  derivatives  strategies,  such as  writing
(selling) and purchasing options and futures  contracts,  involves complex rules
that will determine for income tax purposes the amount, character, and timing of
recognition  of the gains and losses the Fund realizes in connection  therewith.
Gains from  options or futures  derived by the Fund with respect to its business
of investing in securities  will qualify as permissible  income under the Income
Requirement.

Certain options (including  options on "broad-based"  stock indices) and futures
in which the Fund may invest  may be  "section  1256  contracts."  Section  1256
contracts  held by the Fund at the end of each taxable year,  other than section
1256  contracts  that are part of a "mixed  straddle"  with respect to which the
Fund has  made an  election  not to have  the  following  rules  apply,  must be
"marked-to-market"  (that is,  treated as sold for their fair market  value) for
Federal  income tax purposes,  with the result that  unrealized  gains or losses
will be treated as though they were  realized.  Sixty percent of any net gain or
loss recognized on these deemed sales,  and 60% of any net realized gain or loss
from any actual  sales of section 1256  contracts,  will be treated as long-term
capital gain or loss, and the balance will be treated as short-term capital gain
or loss. Section 1256 contracts also may be marked-to-market for purposes of the
Excise Tax.

                                       20
<PAGE>



Code  section  1092  (dealing  with  straddles)  may also affect the taxation of
options and futures contracts in which the Fund may invest. Section 1092 defines
a "straddle"  as offsetting  positions  with respect to personal  property;  for
these purposes,  options and futures  contracts are personal  property.  Section
1092  generally  provides that any loss from the  disposition of a position in a
straddle may be deducted only to the extent the loss exceeds the unrealized gain
on the  offsetting  position(s)  of the  straddle.  Section  1092 also  provides
certain "wash sale" rules,  which apply to transactions where a position is sold
at a loss and a new offsetting  position is acquired within a prescribed period,
and "short  sale"  rules  applicable  to  straddles.  If the Fund makes  certain
elections, the amount,  character, and timing of recognition of gains and losses
from the affected  straddle  positions would be determined under rules that vary
according  to  the  elections  made.  Because  only  a few  of  the  regulations
implementing the straddle rules have been  promulgated,  the tax consequences to
the Fund of straddle transactions are not entirely clear.

If a call option  written by the Fund lapses  (i.e.,  terminates  without  being
exercised),  the  amount of the  premium  it  received  for the  option  will be
short-term capital gain. If the Fund enters into a closing purchase  transaction
with respect to a written call option, it will have a short-term capital gain or
loss based on the  difference  between the premium it received for the option it
wrote  and the  premium  it pays for the  option  it buys.  If such an option is
exercised and the Fund thus sells the securities or futures  contract subject to
the option, the premium the Fund received will be added to the exercise price to
determine the gain or loss on the sale.  If a call option  purchased by the Fund
lapses, it will realize  short-term or long-term capital loss,  depending on its
holding period for the security or futures contract subject thereto. If the Fund
exercises a purchased  call  option,  the premium it paid for the option will be
added to the basis of the subject securities or futures contract.

The foregoing is only a general summary of some of the important  Federal income
tax considerations generally affecting the Fund. No attempt is made to present a
complete explanation of the Federal tax treatment of their activities,  and this
discussion   is  not  intended  as  a  substitute   for  careful  tax  planning.
Accordingly, potential investors are urged to consult their own tax advisers for
more detailed  information  and for  information  regarding any state,  local or
foreign taxes  applicable  to the Fund and to dividends and other  distributions
therefrom.



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