VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders - Futures Only, March 7, 2006                   
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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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     :          : ($100 X VBI)                                                               :
     :          :                                                                            :
All  :    19,609:     2,740      5,401        334     13,048     13,486     16,122     19,221:     3,487        388
Old  :    19,609:     2,740      5,401        334     13,048     13,486     16,122     19,221:     3,487        388
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2006                    :
     :      -210:       529        219         62     -2,078        401     -1,487        682:     1,277       -892
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      14.0       27.5        1.7       66.5       68.8       82.2       98.0:      17.8        2.0
Old  :     100.0:      14.0       27.5        1.7       66.5       68.8       82.2       98.0:      17.8        2.0
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  :        38:        18          7          9          6          3         32         17:
Old  :        38:        18          7          9          6          3         32         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  :                 67.4       93.5       73.3       96.3       52.5       76.4       57.3       79.0
Old  :                 67.4       93.5       73.3       96.3       52.5       76.4       57.3       79.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated March 10, 2006