CME Options Halted

CME Options Halted
Photo of Silexx CBOE Trading Platform by Connor Lapping

CME Group, the giant at the center of the global futures business, was forced to slam the brakes on trading after a cooling problem at one of its data centers knocked critical systems offline. The issue froze activity on its popular electronic currency platform and spilled into futures tied to foreign exchange, commodities, United States Treasuries and major stock indexes, suddenly silencing some of the most watched benchmarks in the world.

With prices no longer updating, brokers had little choice but to pull affected products rather than keep taking orders in the dark. Markets that normally move tick by tick were stuck in place, leaving traders without reliable quotes and cutting off a key source of price discovery across several asset classes.

CME said the trouble stemmed from a cooling issue at facilities run by CyrusOne, a major data center provider that helps power the exchange’s trading infrastructure. In its statement, CME told clients it was working to get markets back online in the “near term,” but offered no further detail on the failure or the exact timing for a full restart. The episode was a sharp reminder that the smooth, always on image of modern markets still rests on very real hardware, and that when the machines overheat, even the biggest exchange in the world can go quiet.

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