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.

Northern Trust iBoxx 3-Year Target Duration TIPS ETF (TDTT) had 20-Day Put-Call Ratio (Open Interest) of 0.0000 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0190
Historical Volatility (Parkinson)	0.0230
Implied Volatility (Calls)	0.4829
Implied Volatility (Puts)	0.6061
Implied Volatility (Mean)	0.5445
Put-Call Implied Volatility Ratio	1.2552
Implied Volatility Skew	0.1075
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000