VIX FUTURES - CBOE FUTURES EXCHANGE
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/29/05          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       10,297
COMMITMENTS
   7,388      905      617      299    7,817    8,304    9,339    1,993      958

CHANGES FROM 03/22/05 (CHANGE IN OPEN INTEREST:       -302)
     695      138     -375     -165     -221      155     -458     -457      156

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    71.7      8.8      6.0      2.9     75.9     80.6     90.7     19.4      9.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       41)
      24        5        9        4        5       35       16
 

Updated April 1, 2005