SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/07 | --------------------------------------------------------------| 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: 18,076 COMMITMENTS 3,426 609 821 12,878 15,680 17,125 17,110 951 966 CHANGES FROM 05/01/07 (CHANGE IN OPEN INTEREST: 490) 159 18 -6 244 452 397 464 93 26 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 19.0 3.4 4.5 71.2 86.7 94.7 94.7 5.3 5.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 10 4 6 11 11 23 19
Updated May 11, 2007