Data Center Glitch Forces CME to Halt Futures and Options Trading

On November 28, 2025, the world’s largest derivatives exchange, CME Group, suddenly paused trading. Futures and options across commodities, bonds, equities, currencies, and much of the global financial market were frozen. The cause was a cooling‑system failure at a data center run by CyrusOne.  We rely heavily on fast, dependable trading platforms. So when CME, which processes millions of contracts daily, went dark for hours, investors and traders around the world felt the impact. We will explain what happened, the markets affected, how the glitch unfolded, and why this matters for modern finance.