VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, February 23, 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  :    43,207:     4,447      5,043      4,541     26,381     29,033     35,369     38,617:     7,838      4,590
Old  :    43,207:     4,447      5,043      4,541     26,381     29,033     35,369     38,617:     7,838      4,590
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 16, 2010                    :
     :    -3,506:       353        685       -151     -4,098     -1,822     -3,896     -1,288:       390     -2,218
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.3       11.7       10.5       61.1       67.2       81.9       89.4:      18.1       10.6
Old  :     100.0:      10.3       11.7       10.5       61.1       67.2       81.9       89.4:      18.1       10.6
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  :        45:        15          9         14         15         12         38         31:
Old  :        45:        15          9         14         15         12         38         31:
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  :                 47.8       45.8       57.3       64.0       39.7       33.1       43.6       46.3
Old  :                 47.8       45.8       57.3       64.0       39.7       33.1       43.6       46.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated February 26, 2010