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.

iShares Core 1-5 Year USD Bond ETF (ISTB) had 30-Day Put-Call Ratio (Open Interest) of 0.0000 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0108
Historical Volatility (Parkinson)	0.0080
Implied Volatility (Calls)	0.2157
Implied Volatility (Puts)	0.2187
Implied Volatility (Mean)	0.2172
Put-Call Implied Volatility Ratio	1.0136
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000