VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/27/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       68,834
COMMITMENTS
   1,605    6,570    4,400   50,306   42,805   56,311   53,775   12,523   15,059

CHANGES FROM 04/20/10 (CHANGE IN OPEN INTEREST:    -11,075)
  -1,142     -216     -475  -10,962  -17,708  -12,579  -18,399    1,504    7,324

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.3      9.5      6.4     73.1     62.2     81.8     78.1     18.2     21.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       44)
       6       11        6       22       22       32       35
 

Updated April 30, 2010