Put-Call Ratio (Open Interest) (90-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 500 Growth ETF (VOOG) had 90-Day Put-Call Ratio (Open Interest) of 0.3348 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1487
Historical Volatility (Parkinson)	0.1312
Implied Volatility (Calls)	0.1958
Implied Volatility (Puts)	0.1964
Implied Volatility (Mean)	0.1961
Put-Call Implied Volatility Ratio	1.0033
Implied Volatility Skew	0.0643
Option Statistics
Put-Call Ratio (Volume)	5.5000
Put-Call Ratio (Open Interest)	0.3348