SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| 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: 17,586 COMMITMENTS 3,267 591 827 12,633 15,227 16,728 16,646 858 940 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 2,006) -103 327 158 1,590 1,040 1,645 1,525 361 481 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 18.6 3.4 4.7 71.8 86.6 95.1 94.7 4.9 5.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 9 3 5 11 10 21 17
Updated April 27, 2007