Put-Call Ratio (Open Interest) (10-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares (VIOG) 10-Day Put-Call Ratio (Open Interest) data is not available for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1325
Historical Volatility (Parkinson)	0.0788
Implied Volatility (Calls)	0.2242
Implied Volatility (Puts)	0.1968
Implied Volatility (Mean)	0.2105
Put-Call Implied Volatility Ratio	0.8781
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--