VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/27/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      127,438
COMMITMENTS
  11,459   22,083   31,714   71,664   60,243  114,837  114,040   12,601   13,398

CHANGES FROM 12/20/11 (CHANGE IN OPEN INTEREST:    -29,554)
  -5,018   -1,539   -3,385  -17,995  -23,666  -26,398  -28,590   -3,156     -964

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.0     17.3     24.9     56.2     47.3     90.1     89.5      9.9     10.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       70)
      23       18       20       22       19       58       48
 

Updated December 30, 2011