<ARTICLE> BD
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED STATEMENT OF INCOME AND CONSOLIDATED STATEMENT OF FINANCIAL
CONDITION IN THE COMPANY'S QUARTERLY REPORT ON FORM 10Q FOR THE QUARTERLY
PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                         347,990
<RECEIVABLES>                                  197,030
<SECURITIES-RESALE>                                  0
<SECURITIES-BORROWED>                                0
<INSTRUMENTS-OWNED>                          1,665,025
<PP&E>                                          57,275
<TOTAL-ASSETS>                               2,409,899
<SHORT-TERM>                                         0
<PAYABLES>                                     277,813
<REPOS-SOLD>                                         0
<SECURITIES-LOANED>                                  0
<INSTRUMENTS-SOLD>                           1,389,773
<LONG-TERM>                                          0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         1,228
<OTHER-SE>                                     733,856
<TOTAL-LIABILITY-AND-EQUITY>                 2,409,899
<TRADING-REVENUE>                              935,634
<INTEREST-DIVIDENDS>                            40,303
<COMMISSIONS>                                   17,940
<INVESTMENT-BANKING-REVENUES>                        0
<FEE-REVENUE>                                   30,114
<INTEREST-EXPENSE>                              26,835
<COMPENSATION>                                 334,811
<INCOME-PRETAX>                                360,984
<INCOME-PRE-EXTRAORDINARY>                     360,984
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   224,684
<EPS-BASIC>                                       1.84
<EPS-DILUTED>                                     1.77