ThreatCluster

CME Trading Halted Due to Data Center Cooling Failure

First seen 1 Dec 2025, 16:44 UTC BitgetTechrepublic 33

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On November 28, 2025, the Chicago Mercantile Exchange (CME) experienced a major outage caused by a cooling malfunction at a CyrusOne data center in Illinois. This incident resulted in a complete shutdown of trading activities on the Globex platform and affected approximately 90% of global derivatives trading, marking a significant disruption in the financial markets.