VIX FUTURES - CBOE FUTURES EXCHANGE
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/03/05          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       12,262
COMMITMENTS
   7,567    1,079      600      561    9,035    8,728   10,714    3,534    1,548

CHANGES FROM 04/26/05 (CHANGE IN OPEN INTEREST:        520)
     319     -247      101      129        3      549     -143      -29      663

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    61.7      8.8      4.9      4.6     73.7     71.2     87.4     28.8     12.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
      25        5        9        5        5       35       18
 

Updated May 6, 2005