SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/07/07 | --------------------------------------------------------------| 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: 21,114 COMMITMENTS 3,464 1,405 1,949 14,842 16,777 20,255 20,130 859 984 CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST: 1,404) -219 -1,221 438 583 1,373 802 590 602 814 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 16.4 6.7 9.2 70.3 79.5 95.9 95.3 4.1 4.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 11 7 9 8 10 23 22
Updated August 10, 2007