SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/13/08 | --------------------------------------------------------------| 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: 41,517 COMMITMENTS 11,565 5,260 2,614 27,170 33,535 41,349 41,408 168 109 CHANGES FROM 05/06/08 (CHANGE IN OPEN INTEREST: 3,718) 859 1,160 -444 3,215 2,939 3,629 3,655 88 63 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 27.9 12.7 6.3 65.4 80.8 99.6 99.7 0.4 0.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 36) 15 7 14 14 14 35 29
Updated May 16, 2008