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CME Clearing will amend all CLP IRS and ZCS open trades by removing USNY and any other additional calendars. CLSA will be established as the sole fixing adjustment calendar.

These changes will take effect after the close of business on Friday, July 17, 2026, and Friday, July 24, 2026.

Please click the link below for the full text of this advisory.

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

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