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As previously noted in advisories 25-057 and 25-058, CME is enhancing the CME CORE API and CME CORE web-based user interface. The mandatory adoption dates for required changes, previously communicated as March 28, 2025, has been extended until April 11, 2025. Please review the original advisories for more details on the changes.

For the full text of this advisory, please click the link below.

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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