SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/07 | --------------------------------------------------------------| 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: 17,000 COMMITMENTS 3,355 1,261 308 12,963 14,338 16,627 15,907 374 1,093 CHANGES FROM 05/08/07 (CHANGE IN OPEN INTEREST: -1,076) -71 652 -513 86 -1,342 -498 -1,203 -578 127 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 19.7 7.4 1.8 76.3 84.3 97.8 93.6 2.2 6.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 8 8 4 10 10 21 19
Updated May 18, 2007