CME Group

CME

Market cap $101B

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A major data center outage halted futures and options trading early Friday, leaving investors in the dark for more than 10 hours.

The Chicago Mercantile Exchange restored most trading operations after an hours-long outage stemming from cooling problems at a crucial data center disrupted multiple financial markets across Asia and Europe. Volume was light given the Thanksgiving holiday.

The Chicago Mercantile Exchange restored most trading operations after an hours-long outage stemming from problems at a data center. Shares of CME Group (CME) dipped in the premarket session on the news.

Commodity Futures Trading Stopped After Data Center Glitch 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. Read more: https://www.bloomberg.com/news/articles/2025-11-28/cme-group-commodity-futures-trading-halted-traders-say

Financial market operator CME Group Inc (NASDAQ:CME) is trading flat at $281.10 at last check, after the Chicago Mercantile Exchange's CyrusOne branch suffered a cooling issue at a data center.

CME Group , the world's biggest exchange operator, experienced an hours-long outage on Friday that halted trade on its currency platform and in futures spanning foreign exchange, commodities, Treasuries and stocks.

Morning Brief: Market Sunrise anchor Ramzan Karmali breaks down the latest market news for November 28, 2025. An outage at the Chicago Mercantile Exchange disrupted trading for hours across the globe.

CME services went down before Friday's already abridged stock market trading session due to a data center cooling issue.

Exchange operator CME Group said on Friday that its Globex futures and options markets pre-opened at 07:00 Central Time (1300 GMT) and open at 07:30 CT, after an earlier halt caused by a cooling issue at its data centres.