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.

HCA Healthcare, Inc. (HCA) had 20-Day Put-Call Ratio (Volume) of 1.3431 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2480
Historical Volatility (Parkinson)	0.2374
Implied Volatility (Calls)	0.2992
Implied Volatility (Puts)	0.2977
Implied Volatility (Mean)	0.2985
Put-Call Implied Volatility Ratio	0.9947
Implied Volatility Skew	0.0570
Option Statistics
Put-Call Ratio (Volume)	1.3431
Put-Call Ratio (Open Interest)	1.7872