VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders - Futures Only, December 20, 2016                                                           
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : ($1000 X INDEX)                                                            :
     :          :                                                                            :
All  :   462,774:   133,564    242,489    129,459    172,425     59,279    435,448    431,227:    27,326     31,547
Old  :   462,774:   133,564    242,489    129,459    172,425     59,279    435,448    431,227:    27,326     31,547
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2016                    :
     :    16,852:     5,284     11,631     10,238      4,099     -4,318     19,621     17,551:    -2,769       -699
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      28.9       52.4       28.0       37.3       12.8       94.1       93.2:       5.9        6.8
Old  :     100.0:      28.9       52.4       28.0       37.3       12.8       94.1       93.2:       5.9        6.8
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  :       219:        72        100         88         33         27        155        174:
Old  :       219:        72        100         88         33         27        155        174:
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  :                 32.8       23.3       44.2       38.5       23.3       19.1       31.1       28.9
Old  :                 32.8       23.3       44.2       38.5       23.3       19.1       31.1       28.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 



Updated December 23, 2016