SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 18, 2007
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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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: : (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION ALLOWANCES) :
: : :
All : 14,571: 3,698 2,887 1,425 8,302 9,256 13,425 13,568: 1,146 1,003
Old : 14,571: 3,698 2,887 1,425 8,302 9,256 13,425 13,568: 1,146 1,003
Other: 0: 0 0 0 0 0 0 0: 0 0
: : :
: : Changes in Commitments from: December 11, 2007 :
: -9,384: -4,715 -2,647 -1,671 -3,637 -5,868 -10,023 -10,186: 639 802
: : :
: : Percent of Open Interest Represented by Each Category of Trader :
All : 100.0: 25.4 19.8 9.8 57.0 63.5 92.1 93.1: 7.9 6.9
Old : 100.0: 25.4 19.8 9.8 57.0 63.5 92.1 93.1: 7.9 6.9
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 : 32: 10 11 13 10 11 25 30:
Old : 32: 10 11 13 10 11 25 30:
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 : 52.6 50.1 77.7 69.3 36.3 22.4 42.2 34.5
Old : 52.6 50.1 77.7 69.3 36.3 22.4 42.2 34.5
Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated December 21, 2007