Put-Call Ratio (Volume) (20-Day)

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

Core Natural Resources, Inc. (CNR) had 20-Day Put-Call Ratio (Volume) of 3.8788 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2511
Historical Volatility (Parkinson)	0.3788
Implied Volatility (Calls)	0.4979
Implied Volatility (Puts)	0.4476
Implied Volatility (Mean)	0.4727
Put-Call Implied Volatility Ratio	0.8989
Implied Volatility Skew	0.0681
Option Statistics
Put-Call Ratio (Volume)	3.8788
Put-Call Ratio (Open Interest)	0.4444