VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/15/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      194,208
COMMITMENTS
  18,566   27,589   37,412  116,247  111,005  172,225  176,006   21,982   18,202

CHANGES FROM 03/08/11 (CHANGE IN OPEN INTEREST:     13,166)
      28     -652    3,544    7,993    8,212   11,565   11,104    1,601    2,061

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.6     14.2     19.3     59.9     57.2     88.7     90.6     11.3      9.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      106)
      32       25       43       28       35       86       90
 

Updated March 18, 2011