Put-Call Ratio (Open Interest) (120-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.

iShares Russell 1000 ETF (IWB) had 120-Day Put-Call Ratio (Open Interest) of 0.9182 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1158
Historical Volatility (Parkinson)	0.1026
Implied Volatility (Calls)	0.1579
Implied Volatility (Puts)	0.1538
Implied Volatility (Mean)	0.1559
Put-Call Implied Volatility Ratio	0.9740
Implied Volatility Skew	0.0637
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.9182