VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 18, 2010                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
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     :          : ($1000 X INDEX)                                                            :
     :          :                                                                            :
All  :    96,971:     2,403      9,777      3,531     78,042     68,787     83,976     82,095:    12,995     14,876
Old  :    96,971:     2,403      9,777      3,531     78,042     68,787     83,976     82,095:    12,995     14,876
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 11, 2010                         :
     :     9,157:     1,327        708       -972      4,962      7,159      5,317      6,895:     3,840      2,262
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.5       10.1        3.6       80.5       70.9       86.6       84.7:      13.4       15.3
Old  :     100.0:       2.5       10.1        3.6       80.5       70.9       86.6       84.7:      13.4       15.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        50:         3         16         10         25         29         36         47:
Old  :        50:         3         16         10         25         29         36         47:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 65.5       39.8       75.2       50.0       43.6       22.7       46.3       29.2
Old  :                 65.5       39.8       75.2       50.0       43.6       22.7       46.3       29.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated May 27, 2010