VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 10/24/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       50,271
COMMITMENTS
   4,760   10,986    1,538   36,941   34,943   43,239   47,467    7,032    2,804

CHANGES FROM 10/17/06 (CHANGE IN OPEN INTEREST:     -4,138)
     638      372       37   -1,453   -1,885     -778   -1,476   -3,360   -2,662

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.5     21.9      3.1     73.5     69.5     86.0     94.4     14.0      5.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       9        8        3       10        4       20       14
 

Updated October 27, 2006