SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/29/07 | --------------------------------------------------------------| 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: 17,766 COMMITMENTS 3,284 1,053 692 13,345 15,592 17,321 17,338 445 428 CHANGES FROM 05/22/07 (CHANGE IN OPEN INTEREST: -373) -420 -76 54 -33 -434 -399 -456 26 83 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 18.5 5.9 3.9 75.1 87.8 97.5 97.6 2.5 2.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 10 7 7 11 11 25 21
Updated June 1, 2007