VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, September 21, 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  :   112,535:     1,390     16,903     10,792     86,162     71,475     98,344     99,170:    14,191     13,365
Old  :   112,535:     1,390     16,903     10,792     86,162     71,475     98,344     99,170:    14,191     13,365
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :   -13,406:      -652        -68      1,800    -10,575    -12,168     -9,427    -10,436:    -3,979     -2,970
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.2       15.0        9.6       76.6       63.5       87.4       88.1:      12.6       11.9
Old  :     100.0:       1.2       15.0        9.6       76.6       63.5       87.4       88.1:      12.6       11.9
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  :        60:         7         25         22         16         22         40         56:
Old  :        60:         7         25         22         16         22         40         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  :                 76.2       30.5       79.2       47.0       69.9       27.8       70.8       42.4
Old  :                 76.2       30.5       79.2       47.0       69.9       27.8       70.8       42.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated September 24, 2010