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CME Markets Halt: Cooling Issue Disrupts Trading
28 Nov, 2025
Summary
- CME trading halted due to data center cooling issue.
- Bond and some stock trading continued on Friday.
- Fed rate cut priced in at 85% for December.
Trading on the CME was halted in the early hours of Friday due to a critical cooling system failure at one of its data centers. This technical issue impacted market operations, with only bonds and certain pre-market stocks trading as of 6:45 a.m. ET. Stock futures trading in the U.S. was also brought to a standstill.
The exchange confirmed the outage, stating that support teams were actively working on a near-term resolution. Clients were advised that pre-open details would be communicated once available. This disruption occurred on a quiet day for economic data releases.
Looking ahead, market participants are focused on the upcoming release of the personal consumption expenditures index. This data will provide crucial insights ahead of the Federal Reserve's interest rate decision in its December meeting. Currently, traders are pricing in an approximately 85% probability of a quarter percentage point rate cut by the Fed.
