VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 13, 2008                    
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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  :    67,185:    12,262     23,291      6,184     35,660     33,198     54,106     62,673:    13,079      4,512
Old  :    67,185:    12,262     23,291      6,184     35,660     33,198     54,106     62,673:    13,079      4,512
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 6, 2008                          :
     :     6,966:     2,635     -3,110      1,773      3,424      6,691      7,832      5,354:      -866      1,612
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      18.3       34.7        9.2       53.1       49.4       80.5       93.3:      19.5        6.7
Old  :     100.0:      18.3       34.7        9.2       53.1       49.4       80.5       93.3:      19.5        6.7
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  :        35:        15         11          8          9          4         30         17:
Old  :        35:        15         11          8          9          4         30         17:
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  :                 45.7       63.6       58.1       83.8       27.0       37.6       33.7       52.2
Old  :                 45.7       63.6       58.1       83.8       27.0       37.6       33.7       52.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated May 16, 2008