TLDR
CME reopened its crypto markets at 13:30 (UTC) on 28 Nov after a data?center outage, per an official trading restart time reported as 1:30 pm UTC in a market update.
- CME cited a cooling failure at a CyrusOne facility as the cause of the halt (news report).
- CME also communicated a 7:30 am Central Time reopening for futures and options, aligning with 13:30 (UTC) (exchange coverage).
- CME confirmed all markets, including crypto, were open and trading after the restart (industry piece).
Deep Dive
1. Exact Restart Time
The specific restart was at 13:30 (UTC) on 28 Nov, matching CMEs communicated 7:30 am Central Time reopening for futures and options. This synchronization confirms the crypto segment returned with the broader complex at that moment (market update, exchange coverage).
If you track CME Bitcoin or Ether futures, the actionable back live timestamp was 13:30 (UTC). Post?restart, liquidity and spreads typically normalize as market makers return.
2. Cause Of The Halt
CME attributed the outage to a cooling system failure at a CyrusOne data center near Chicago, which impacted Globex and other critical systems. Reports describe the halt lasting roughly 1011 hours across multiple asset classes, including crypto futures (news report).
This was an infrastructure event, not a crypto?specific issue. Operational risk at centralized venues can temporarily disrupt price discovery even for regulated crypto derivatives.
3. Scope And Market Impact
Post?restart, CME stated all markets were open and trading, which includes Bitcoin and Ether futures. Coverage noted delays persisted in some rate products, but crypto futures resumed in line with the broader complex (industry piece). Separately, CME has outlined plans to move crypto futures and options toward 24/7 trading in early 2026, highlighting demand for continuous risk management (coverage).
For crypto participants, CMEs restart restored a key institutional hedging venue. A 24/7 roadmap may reduce future timing gaps, but operational resilience remains a practical risk to monitor.
Conclusion
CMEs crypto markets reopened at 13:30 (UTC) on 28 Nov, alongside its broader futures complex, after a cooling?related outage. The event underscores how infrastructure issues can ripple across asset classes, while the planned shift to 24/7 trading could tighten alignment with always?open crypto markets going forward.
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