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Trading Halted: Data Center Glitch Freezes CME Markets
28 Nov, 2025
Summary
- A cooling issue at a data center caused trading to halt on Friday.
- CME Group is the world's largest and most diverse derivatives exchange.
- The halt affected futures and options across agricultural, energy, metals, and equities.
Trading on the Chicago Mercantile Exchange (CME) was brought to a standstill on Friday following a critical cooling issue within one of its data centers. This technical problem led to an immediate suspension of all market activities.
The statement from CME indicated that the halt was directly caused by a cooling failure at a CyrusOne data center. Support staff were actively engaged in resolving the situation with the goal of restoring operations as quickly as possible. Clients were to be updated on the pre-open details once a resolution was achieved.
This disruption affected the trading of futures and options on a wide array of asset classes, encompassing agricultural commodities, energy, precious metals, and equities, underscoring the exchange's broad market influence and the impact of such technical failures.
