VIX FUTURES - CBOE FUTURES EXCHANGE
FUTURES ONLY POSITIONS AS OF 05/17/05                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       14,730
COMMITMENTS
   7,168      602      548    1,134   10,153    8,850   11,303    5,880    3,427

CHANGES FROM 05/10/05 (CHANGE IN OPEN INTEREST:      2,078)
    -593     -293        8      573      550      -12      265    2,090    1,813

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    48.7      4.1      3.7      7.7     68.9     60.1     76.7     39.9     23.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       40)
      21        5       11        5        5       36       18
 

Updated May 20, 2005