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.

O'Reilly Automotive, Inc. (ORLY) had 20-Day Put-Call Ratio (Volume) of 1.7213 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2498
Historical Volatility (Parkinson)	0.2542
Implied Volatility (Calls)	0.2661
Implied Volatility (Puts)	0.2554
Implied Volatility (Mean)	0.2607
Put-Call Implied Volatility Ratio	0.9600
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.7213
Put-Call Ratio (Open Interest)	0.4416