Put-Call Ratio (Volume) (30-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

CME Group Inc. (CME) had 30-Day Put-Call Ratio (Volume) of 1.2531 for 2025-10-20.

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Figures for 2025-10-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1716
Historical Volatility (Parkinson)	0.1986
Implied Volatility (Calls)	0.2474
Implied Volatility (Puts)	0.2387
Implied Volatility (Mean)	0.2430
Put-Call Implied Volatility Ratio	0.9648
Implied Volatility Skew	0.0025
Option Statistics
Put-Call Ratio (Volume)	1.2531
Put-Call Ratio (Open Interest)	0.7476