Put-Call Ratio (Volume) (10-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 10-Day Put-Call Ratio (Volume) of 1.2805 for 2026-03-27.

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Figures for 2026-03-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1727
Historical Volatility (Parkinson)	0.1302
Implied Volatility (Calls)	0.2903
Implied Volatility (Puts)	0.2813
Implied Volatility (Mean)	0.2858
Put-Call Implied Volatility Ratio	0.9691
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.2805
Put-Call Ratio (Open Interest)	1.0133