Yeliz Akmaca 
CME Group has halted trading in its futures and options markets due to a technical issue. The disruption on the Globex platform has lasted for several hours, creating uncertainty for investors and traders. CME confirmed that the outage was caused by a cooling malfunction at its CyrusOne data centers.
Technical Disruption in CME Futures
According to the official statement, all futures and options markets were temporarily suspended. Technical teams are actively working to resolve the issue, and Pre-Open details will be shared with clients shortly. The halt has caused sudden liquidity constraints for market participants.
CME halted trading due to the cooling problem at the CyrusOne data centers. The support team is working to fix the issue and will notify clients of Pre-Open details as soon as possible.
Which Markets Were Affected?
The halt affected a wide range of products, including energy, commodities, and index futures. CME is expanding its crypto offerings with options on Solana and XRP futures and aims to keep crypto markets open 24/7 starting next year. Prices on CME platforms serve as benchmarks for many markets, from equities to commodities.
While the total number of affected products is not yet clear, Reuters reported that West Texas Intermediate crude, Treasury futures, S&P 500 futures, palm oil, and gold prices were not updated. In addition, prices on the widely used EBS FX platform, which handles heavily traded currency pairs like EUR/USD and USD/JPY, were also not refreshed.
Analysts noted that the halt increased uncertainty during a month of ongoing volatility. IG Markets analyst Tony Sycamore said, “This hasn’t helped at all, especially on a day when there was real interest to transact.”
This issue brought trading on Globex for futures, options, and FX markets to a complete standstill, leaving investors without updated references for S&P 500, Nasdaq 100, or major currency pairs.
Market Reaction and Risks
Some brokers have switched to internal pricing for certain products, while others relied on alternative data sources. However, these approaches limit natural price formation and increase volatility risk. Experts advise investors to avoid making hasty moves and to closely follow CME’s official updates. Similar technical issues in the past temporarily halted markets and serve as warnings for traders.
The CME futures trading halt represents a significant development for both global markets and investors in Turkey. Trading on Globex and options markets is expected to resume soon, and market participants are urged to act with caution.
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