<TABLE> <S> <C>
<ARTICLE> 5
<CIK> 0000944697
<NAME> Smith Barney Principal PLUS Futures Fund L.P.
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 3,418,324
<SECURITIES> 10,285,855
<RECEIVABLES> 1,114,901
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 14,819,080
<PP&E> 0
<DEPRECIATION> 0
<TOTAL-ASSETS> 14,819,080
<CURRENT-LIABILITIES> 1,486,167
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 13,332,913
<TOTAL-LIABILITY-AND-EQUITY> 14,819,080
<SALES> 0
<TOTAL-REVENUES> (1,492,434)
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 199,884
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (1,692,318)
<INCOME-TAX> 0
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (1,692,318)
<EPS-BASIC> (80.71)
<EPS-DILUTED> 0
</TABLE>