SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 10/23/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION OPEN INTEREST: 24,670 COMMITMENTS 6,788 4,623 2,276 15,316 17,480 24,380 24,379 290 291 CHANGES FROM 10/16/07 (CHANGE IN OPEN INTEREST: 2,786) 932 1,721 917 756 69 2,606 2,707 180 79 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 27.5 18.7 9.2 62.1 70.9 98.8 98.8 1.2 1.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 12 12 14 12 12 31 32
Updated October 26, 2007