The Chicago Mercantile Exchange experienced a complete trading shutdown Friday morning when cooling systems failed at one of its primary data centers. The technical malfunction brought operations at the world’s largest derivatives exchange to a complete halt.
CME Group issued a statement confirming the disruption. The company blamed a cooling problem at CyrusOne data centers for the market freeze. Support teams began working immediately to restore normal operations but provided no estimated time for repairs.
Multiple trading platforms went offline during the outage. The Globex futures and options markets stopped functioning completely. The EBS foreign exchange platform also ceased operations. BMD markets joined the list of affected trading systems.
Price data stopped updating across major contracts. WTI crude oil futures showed no movement after the halt. US 10-year Treasury futures remained frozen. S&P 500 futures displayed no price changes past 4:29 AM Eastern Time.
CME Group handles an enormous volume of daily transactions. The exchange processes futures and options for agricultural products. Energy contracts represent another major category. Metal futures and equity index derivatives round out the platform’s offerings.
The company holds the title of world’s largest exchange operator by market capitalization. Traders around the globe depend on CME platforms for price discovery and risk management. The Friday outage disrupted these essential functions for hours.
CyrusOne operates the affected data center from its Dallas headquarters. Company representatives did not respond to requests for comment. The cooling system failure appears to have originated within CyrusOne infrastructure.
Emir Syazwan trades futures for Ninefold Trading Co. in Kuala Lumpur. He spent the afternoon on calls with his broker trying to assess the situation. The timing of the outage hit Asian traders particularly hard.
European session participants also faced direct impacts. American traders were largely asleep when systems went down. The halt occurred after the Thanksgiving holiday and before the early Friday close at 1 PM Eastern.
Market conditions had already been quiet before the outage. Trading ranges remained tight since November 26 around 10 PM Eastern. Syazwan expects this pattern to continue until systems come back online.
E-Mini S&P 500 Dec 25 (ES=F)
Before trading stopped, futures showed small gains. Dow futures had risen 0.1 percent. S&P 500 futures matched that increase. Nasdaq 100 futures climbed 0.2 percent higher.
The major US indexes were tracking toward monthly losses. Both the Dow and S&P 500 sat slightly negative for November. The Nasdaq had fallen 2 percent for the month. Technology stocks declined as investors questioned AI profit timelines.
CME experienced similar problems in 2014. Technical issues disrupted Globex electronic trading that year. Agricultural contracts were affected during that incident. Last year, Switzerland’s SIX exchange also halted trading after data problems emerged.
CME officials said they would announce pre-opening procedures once repairs finished. The exchange warned that price movements might take time to normalize after trading resumed.
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