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 Industrials ETF (VIS) had 20-Day Put-Call Ratio (Open Interest) of 1.4615 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1669
Historical Volatility (Parkinson)	0.1187
Implied Volatility (Calls)	0.1491
Implied Volatility (Puts)	0.1518
Implied Volatility (Mean)	0.1504
Put-Call Implied Volatility Ratio	1.0186
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	1.4615