VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, September 14, 2010              
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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  :   125,941:     2,042     16,971      8,992     96,737     83,643    107,771    109,606:    18,170     16,335
Old  :   125,941:     2,042     16,971      8,992     96,737     83,643    107,771    109,606:    18,170     16,335
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 7, 2010                    :
     :    16,645:        93      3,501      1,254     10,857      3,933     12,204      8,688:     4,441      7,957
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6       13.5        7.1       76.8       66.4       85.6       87.0:      14.4       13.0
Old  :     100.0:       1.6       13.5        7.1       76.8       66.4       85.6       87.0:      14.4       13.0
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  :        61:         5         24         20         20         25         43         56:
Old  :        61:         5         24         20         20         25         43         56:
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  :                 72.7       33.9       77.3       50.5       63.9       26.3       64.9       41.7
Old  :                 72.7       33.9       77.3       50.5       63.9       26.3       64.9       41.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated September 17, 2010