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 Russell 1000 ETF (VONE) had 30-Day Put-Call Ratio (Open Interest) of 0.2755 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1702
Historical Volatility (Parkinson)	0.1014
Implied Volatility (Calls)	0.1535
Implied Volatility (Puts)	0.1776
Implied Volatility (Mean)	0.1655
Put-Call Implied Volatility Ratio	1.1568
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.2755