VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, June 28, 2011                   
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     :   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  :   212,227:    20,344     43,244     50,015    118,764     98,898    189,123    192,157:    23,104     20,071
Old  :   212,227:    20,344     43,244     50,015    118,764     98,898    189,123    192,157:    23,104     20,071
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: June 21, 2011                        :
     :    -3,344:      -132        170      2,862     -3,950     -3,587     -1,220       -555:    -2,124     -2,789
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.6       20.4       23.6       56.0       46.6       89.1       90.5:      10.9        9.5
Old  :     100.0:       9.6       20.4       23.6       56.0       46.6       89.1       90.5:      10.9        9.5
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  :       124:        32         38         60         28         28        106        103:
Old  :       124:        32         38         60         28         28        106        103:
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  :                 42.0       32.6       50.8       44.0       36.4       26.5       40.8       34.5
Old  :                 42.0       32.6       50.8       44.0       36.4       26.5       40.8       34.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated July 1, 2011