SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 31, 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 : 13,347: 3,919 1,475 1,895 6,884 9,352 12,698 12,722: 649 625
Old : 13,347: 3,919 1,475 1,895 6,884 9,352 12,698 12,722: 649 625
Other: 0: 0 0 0 0 0 0 0: 0 0
: : :
: : Changes in Commitments from: December 24, 2007 :
: -214: 215 -864 518 -1,478 -389 -746 -736: 532 522
: : :
: : Percent of Open Interest Represented by Each Category of Trader :
All : 100.0: 29.4 11.0 14.2 51.6 70.1 95.1 95.3: 4.9 4.7
Old : 100.0: 29.4 11.0 14.2 51.6 70.1 95.1 95.3: 4.9 4.7
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 : 31: 11 9 13 10 11 26 28:
Old : 31: 11 9 13 10 11 26 28:
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 : 53.8 55.4 80.0 75.5 36.4 30.9 44.8 42.9
Old : 53.8 55.4 80.0 75.5 36.4 30.9 44.8 42.9
Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated January 4, 2008