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.

iShares 7-10 Year Treasury Bond ETF (IEF) had 20-Day Put-Call Ratio (Open Interest) of 0.4285 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0473
Historical Volatility (Parkinson)	0.0527
Implied Volatility (Calls)	0.0833
Implied Volatility (Puts)	0.0792
Implied Volatility (Mean)	0.0813
Put-Call Implied Volatility Ratio	0.9504
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.1095
Put-Call Ratio (Open Interest)	0.4285