CME Trading Halted Following Data Center Cooling Issue
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trading on the Chicago Mercantile Exchange (CME), the world’s largest derivatives exchange, was temporarily halted on Friday, November 24, 2023, due to a cooling issue at a CyrusOne data center. The disruption impacted the trading of futures and options contracts across various asset classes, including equities, energy, and interest rates, and occured as US markets reopened following the Thanksgiving holiday.
CME Halts Trading – What Happened?
The CME Group announced the trading halt in a statement,citing a “cooling issue” at CyrusOne data centers as the cause. The exchange stated it was working to resolve the problem “in the near term” but did not initially provide a specific timeline for resuming trading. https://www.ft.com/content/3332da74-d961-4b7f-a503-11d55d93b7c8
By 9:00 AM London time, prices for key benchmarks like the S&P 500 index and west Texas Intermediate (WTI) crude oil futures hadn’t been updated for several hours, according to data from LSEG (formerly Refinitiv) and FactSet. https://www.ft.com/content/3332da74-d961-4b7f-a503-11d55d93b7c8
impact on Markets and Investors
The outage exacerbated already thin liquidity conditions following the US Thanksgiving holiday and a half-day of trading for many markets. Rushabh Amin, multi-asset portfolio manager at Allspring global Investments, noted the impact of reduced trading volume. https://www.ft.com/content/3332da74-d961-4b7f-a503-11d55d93b7c8
The CME Group is a dominant force in derivatives trading, handling an average of 28.3 million contracts daily during the third quarter of 2023,covering interest rates,Treasuries,energy,and equities. https://www.ft.com/content/3332da74-d961-4b7f-a503-11d55d93b7c8 Outages at the CME can therefore significantly disrupt investors’ ability to manage risk and execute trades.
One fund manager reported that the spread between bid and offer prices in currency markets widened during the disruption, indicating reduced market efficiency.The manager also highlighted the difficulties faced by those attempting currency hedging strategies.
previous Outages and Concerns
This isn’t the first time the CME has experienced significant trading disruptions.A nearly three-hour outage in 2019 caused widespread chaos across equity, bond, and commodity markets. https://www.ft.com/content/3332da74-d961-4b7f-a503-11d55d93b7c8 These incidents raise concerns about the resilience of critical market infrastructure and the potential for systemic risk.
Trading Resumed
As of 1:27 PM EST, the CME Group announced that all CME Globex and ClearPort markets had resumed trading. https://www.cmegroup.com/notices/notice-number-23-218.html The exchange stated that it would provide updates as needed.
Key Takeaways
* CME Trading Halt: Trading was halted on the CME due to a cooling issue at a CyrusOne data center.
* Market Impact: The
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