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.

Alpha Metallurgical Resources, Inc. (AMR) had 20-Day Put-Call Ratio (Volume) of 0.0929 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3860
Historical Volatility (Parkinson)	0.4210
Implied Volatility (Calls)	0.6618
Implied Volatility (Puts)	0.6752
Implied Volatility (Mean)	0.6685
Put-Call Implied Volatility Ratio	1.0201
Implied Volatility Skew	0.0153
Option Statistics
Put-Call Ratio (Volume)	0.0929
Put-Call Ratio (Open Interest)	1.0848