<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
The schedule contains summary financial information extracted from Dean
Witter Multi-Market Portfolio L.P. and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 6,182,248
<SECURITIES> 0
<RECEIVABLES> 28,001<F1>
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 0
<PP&E> 0
<DEPRECIATION> 0
<TOTAL-ASSETS> 7,050,054<F2>
<CURRENT-LIABILITIES> 0
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 7,050,054<F3>
<SALES> 0
<TOTAL-REVENUES> 367,949<F4>
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 514,295
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (146,346)
<INCOME-TAX> 0
<INCOME-CONTINUING> (146,346)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (146,346)
<EPS-BASIC> 0
<EPS-DILUTED> 0
<FN>
<F1>Receivables include interest receivable of $28,001.
<F2>In addition to cash and receivables, total assets include net
unrealized gain on open contracts of $839,805.
<F3>Liabilities include redemptions payable of $131,347 and accrued
management fees of $17,625.
<F4>Total revenues includes realized trading revenue of $(377,447), net
change in unrealized of $481,738 and interest income of $263,658.
</FN>
</TABLE>