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.

Vanguard S&P 500 Growth Index Fund ETF Shares (VOOG) had 20-Day Put-Call Ratio (Volume) of 0.1309 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1781
Historical Volatility (Parkinson)	0.1346
Implied Volatility (Calls)	0.1779
Implied Volatility (Puts)	0.2868
Implied Volatility (Mean)	0.2323
Put-Call Implied Volatility Ratio	1.6124
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.1309
Put-Call Ratio (Open Interest)	0.4298