VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 07/19/11                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      227,512
COMMITMENTS
  24,064   40,606   47,870  122,952  110,669  194,886  199,145   32,626   28,367

CHANGES FROM 07/12/11 (CHANGE IN OPEN INTEREST:     -2,531)
  -4,719   -8,949    2,520   -3,158    2,834   -5,357   -3,595    2,826    1,064

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    10.6     17.8     21.0     54.0     48.6     85.7     87.5     14.3     12.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      125)
      43       30       61       28       27      107      103
 

Updated July 22, 2011