On September 25, CME Group Inc fell 3.22% in regular trading, trading at $260.14 per share, with turnover of approximately $140 million. The decline was driven by the confluence of a regulatory setback on its highly anticipated GPU compute futures and broad-based selling pressure across the financial exchanges sector.

The CFTC extended its review of CME's planned Nvidia H100 and B200 GPU rental-price futures by 45 days to November 9, citing the need to assess \"novel or complex\" issues including potential market manipulation risks in the fragmented GPU rental market. CME had originally targeted an early October launch using a Silicon Data benchmark, positioning the contracts as hedging tools for AI infrastructure costs. Competitor Intercontinental Exchange has also announced GPU futures plans but has yet to set a date.

Sector-wide weakness compounded the pressure. Cboe Global Markets fell 4.82%, Intercontinental Exchange declined 1.99%, and Coinbase dropped 2.7%. CME Group is the world's leading derivatives marketplace operator, offering futures and options across interest rates, equity indexes, commodities, energy, and metals. The company is scheduled to report Q3 earnings on October 21.

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