SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 07/31/07 | --------------------------------------------------------------| 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: 19,710 COMMITMENTS 3,683 2,626 1,510 14,260 15,404 19,453 19,540 257 170 CHANGES FROM 07/24/07 (CHANGE IN OPEN INTEREST: 33) -122 844 133 210 -614 221 363 -188 -331 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 18.7 13.3 7.7 72.3 78.2 98.7 99.1 1.3 0.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 32) 10 11 8 10 11 23 27
Updated August 3, 2007