VIX FUTURES - CBOE FUTURES EXCHANGE
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/08/05          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       10,445
COMMITMENTS
   5,105      706      274    2,379    8,119    7,758    9,099    2,687    1,346

CHANGES FROM 02/01/05 (CHANGE IN OPEN INTEREST:      1,089)
     492       77      -27      120      485      585      535      504      554

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    48.9      6.8      2.6     22.8     77.7     74.3     87.1     25.7     12.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
      18        2        3        6        7       27       11
 

Updated February 11, 2005