SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/22/07 | --------------------------------------------------------------| 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: 18,139 COMMITMENTS 3,703 1,129 638 13,379 16,027 17,720 17,794 419 345 CHANGES FROM 05/15/07 (CHANGE IN OPEN INTEREST: 1,139) 348 -132 330 415 1,688 1,094 1,887 45 -748 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 20.4 6.2 3.5 73.8 88.4 97.7 98.1 2.3 1.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 12 7 6 11 10 26 20
Updated May 25, 2007