Put-Call Ratio (Volume) (90-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Vanguard 500 Index Fund ETF Shares (VOO) had 90-Day Put-Call Ratio (Volume) of 0.3662 for 2026-05-01.

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Figures for 2026-05-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1510
Historical Volatility (Parkinson)	0.1189
Implied Volatility (Calls)	0.1637
Implied Volatility (Puts)	0.1550
Implied Volatility (Mean)	0.1594
Put-Call Implied Volatility Ratio	0.9468
Implied Volatility Skew	0.0773
Option Statistics
Put-Call Ratio (Volume)	0.3662
Put-Call Ratio (Open Interest)	1.4301