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.

Valero Energy Corporation (VLO) had 20-Day Put-Call Ratio (Volume) of 0.5667 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4678
Historical Volatility (Parkinson)	0.3419
Implied Volatility (Calls)	0.3949
Implied Volatility (Puts)	0.4203
Implied Volatility (Mean)	0.4076
Put-Call Implied Volatility Ratio	1.0642
Implied Volatility Skew	-0.0228
Option Statistics
Put-Call Ratio (Volume)	0.5667
Put-Call Ratio (Open Interest)	0.7836