Put-Call Ratio (Open Interest) (20-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 Morningstar Small-Cap ETF (VB) had 20-Day Put-Call Ratio (Open Interest) of 0.7616 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1452
Historical Volatility (Parkinson)	0.1203
Implied Volatility (Calls)	0.1782
Implied Volatility (Puts)	0.1817
Implied Volatility (Mean)	0.1799
Put-Call Implied Volatility Ratio	1.0196
Implied Volatility Skew	0.0035
Option Statistics
Put-Call Ratio (Volume)	0.8500
Put-Call Ratio (Open Interest)	0.7616