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.

Core Natural Resources, Inc. (CNR) had 30-Day Put-Call Ratio (Volume) of 0.0845 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3016
Historical Volatility (Parkinson)	0.3299
Implied Volatility (Calls)	0.4507
Implied Volatility (Puts)	0.4912
Implied Volatility (Mean)	0.4709
Put-Call Implied Volatility Ratio	1.0898
Implied Volatility Skew	-0.0398
Option Statistics
Put-Call Ratio (Volume)	0.0845
Put-Call Ratio (Open Interest)	0.7948