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 10-20 Year Treasury Bond ETF (TLH) had 20-Day Put-Call Ratio (Open Interest) of 0.4254 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0578
Historical Volatility (Parkinson)	0.0415
Implied Volatility (Calls)	0.0749
Implied Volatility (Puts)	0.0786
Implied Volatility (Mean)	0.0767
Put-Call Implied Volatility Ratio	1.0495
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.3810
Put-Call Ratio (Open Interest)	0.4254