VIX FUTURES - CBOE FUTURES EXCHANGE
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/05/05          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       12,395
COMMITMENTS
   6,216    2,202      543    2,251    8,829    9,010   11,574    3,385      821

CHANGES FROM 06/28/05 (CHANGE IN OPEN INTEREST:        185)
      93      185     -313       15      193     -205       65      390      120

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    50.1     17.8      4.4     18.2     71.2     72.7     93.4     27.3      6.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      21        2        7        5        6       33       14
 

Updated July 8, 2005