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CME Outage Halts Trading Amid Holiday Thinness
28 Nov, 2025
Summary
- A data center outage halted CME trading, impacting global markets.
- Markets were little changed, capping a solid week on rate cut hopes.
- Yen fluctuated as Tokyo inflation data reignited rate hike speculation.
US stock markets concluded a robust trading week with minimal changes on Friday, largely influenced by expectations of further Federal Reserve interest rate cuts. The trading environment was notably subdued, impacted by the Thanksgiving holiday and a significant technical outage at CyrusOne data centers, which halted operations at the Chicago Mercantile Exchange (CME).
This outage disrupted trading on major CME platforms, affecting risk management through futures contracts and temporarily freezing pricing for the US benchmark crude contract, WTI. Despite the disruption, the overall market impact was limited due to the holiday's thinning trading volumes, with European and Asian markets also trading with little conviction.
Attention is now shifting to upcoming economic data releases, including private hiring, services activity, and personal consumption expenditures, which will inform the Federal Reserve's final decision on interest rates. Concurrently, unexpected inflation data from Tokyo has reignited speculation about the Bank of Japan's potential monetary policy adjustments.
