VIX FUTURES - CBOE FUTURES EXCHANGE
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/05          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       11,742
COMMITMENTS
   7,248    1,326      499      432    9,032    8,179   10,857    3,563      885

CHANGES FROM 04/19/05 (CHANGE IN OPEN INTEREST:       -239)
  -1,162     -277       63      195     -318     -904     -532      665      293

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    61.7     11.3      4.2      3.7     76.9     69.7     92.5     30.3      7.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       40)
      24        5        8        4        5       33       16
 

Updated April 29, 2005