VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/28/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      141,802
COMMITMENTS
   3,423   21,748   30,072   89,940   73,523  123,435  125,343   18,366   16,459

CHANGES FROM 12/21/10 (CHANGE IN OPEN INTEREST:    -14,203)
  -7,125       72     -120   -3,786  -11,025  -11,031  -11,074   -3,172   -3,129

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.4     15.3     21.2     63.4     51.8     87.0     88.4     13.0     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       76)
      12       26       30       25       30       59       71
 

Updated January 3, 2011