Core Insights - A critical data center used by the Chicago Mercantile Exchange (CME) experienced overheating issues, leading to over 10 hours of service interruption, which affected U.S. stock index futures and options trading [1][2] - The incident highlights the risks associated with the concentration of trading platforms in the digital economy [1][2] Group 1 - The data center, located in Aurora, Chicago, faced a cooling system failure that caused temperatures to rise to nearly 49 degrees Celsius, exceeding the industry standard maximum temperature by approximately 48% [1] - CME's daily average trading volume includes $1.5 trillion in stock index-related futures and options, and $9.6 trillion in interest rate-related speculative trading, with an average of 26.3 million derivative contracts traded daily in October [2] - The incident has been described as a "single point of failure," indicating that such failures can halt the entire system, serving as a reminder of the importance and interconnectedness of market structures [2]