SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/14/07 | --------------------------------------------------------------| 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: 21,406 COMMITMENTS 3,743 1,923 2,323 14,906 16,732 20,972 20,978 435 428 CHANGES FROM 08/07/07 (CHANGE IN OPEN INTEREST: 292) 279 517 374 63 -44 717 848 -424 -555 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 17.5 9.0 10.9 69.6 78.2 98.0 98.0 2.0 2.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 11 8 10 10 11 25 25
Updated August 17, 2007