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.

Hallador Energy Company (HNRG) had 20-Day Put-Call Ratio (Volume) of 13.1250 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8765
Historical Volatility (Parkinson)	0.7862
Implied Volatility (Calls)	1.0218
Implied Volatility (Puts)	0.7676
Implied Volatility (Mean)	0.8947
Put-Call Implied Volatility Ratio	0.7512
Implied Volatility Skew	0.2405
Option Statistics
Put-Call Ratio (Volume)	13.1250
Put-Call Ratio (Open Interest)	0.9676