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Trading resumes after CME outage sparked global market disruption
A major outage at the Chicago Mercantile Exchange brought futures and options trading to a standstill on Friday, disrupting activity across global equity, currency, bond, and commodity markets. The Chicago Mercantile Exchange (CME) began to restore trading on Friday after a technical issue disrupted operations on the Dow Jones Industrial Average, S&P 500, and Nasdaq. The shutdown was triggered by a cooling system failure at a data centre in the Chicago area, according to the facility’s operator, CyrusOne. Engineering teams have since restarted several chillers and installed temporary cooling equipment to ... (full story)
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Trading of futures and options on the Chicago Mercantile Exchange was halted by a data-center fault, causing hours of disruption to markets across equities, foreign exchange, bonds and commodities. The malfunction is already longer than a similar, hours-long outage due to a technical error back in 2019 and underscores the reach of CME Group and its Globex ...
CME GROUP - ALL CME GROUP MARKETS ARE OPEN AND TRADING 
CME Reopens After Chicago Data Center "Cooling Issue" Update (0830ET): CME Globex Futures & Options markets have officially reopened after their overnight 'cooling issue'. For now, Nasdaq futs are rallying... chart Update (0820ET): Headlines crossing over the Terminal show that CME Globex Futures & Options Markets will open at 08:30 ET after hours of being offline due to a "cooling issue" at data centers operated by CyrusOne in Chicago. Here are the headlines: • CME GLOBEX FUTURES & OPTIONS MARKETS TO OPEN 7:30 CENTRAL TIME • CME: ALL GTCS THAT HAVE BEEN ACKNOWLEDGED WILL REMAIN WORKING • CME GLOBEX FUTURES & OPTIONS MARKETS TO PRE-OPEN 07:00 CENTRAL • CME Partially Restores Operations as Forex Platform Restarts What a mess for this shortened post-Thanksgiving session to end the week. * * *
CME Reopens After Chicago Data Center "Cooling Issue" Update (0830ET): CME Globex Futures & Options markets have officially reopened after their overnight 'cooling issue'. For now, Nasdaq futs are rallying... chart Update (0820ET): Headlines crossing over the Terminal show that CME Globex Futures & Options Markets will open at 08:30 ET after hours of being offline due to a "cooling issue" at data centers operated by CyrusOne in Chicago. Here are the headlines: • CME GLOBEX FUTURES & OPTIONS MARKETS TO OPEN 7:30 CENTRAL TIME • CME: ALL GTCS THAT HAVE BEEN ACKNOWLEDGED WILL REMAIN WORKING • CME GLOBEX FUTURES & OPTIONS MARKETS TO PRE-OPEN 07:00 CENTRAL • CME Partially Restores Operations as Forex Platform Restarts What a mess for this shortened post-Thanksgiving session to end the week. * * *
From kitco.com | Nov 28, 2025
After its longest technical outage in recent years, CME said that all futures trading activity, including gold and silver markets, has resumed just ahead of North America’s trading session. Trading on the CME was halted overnight following a technical disruption. “Due to a cooling issue at CyrusOne data centers, our markets are currently halted. Support is ...
