Put-Call Ratio (Open Interest) (30-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 Small-Cap Growth ETF (VBK) had 30-Day Put-Call Ratio (Open Interest) of 0.2203 for 2025-10-13.

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Figures for 2025-10-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1850
Historical Volatility (Parkinson)	0.1409
Implied Volatility (Calls)	0.2157
Implied Volatility (Puts)	0.2298
Implied Volatility (Mean)	0.2228
Put-Call Implied Volatility Ratio	1.0652
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2203