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 Genomics Immunology and Healthcare ETF (IDNA) had 20-Day Put-Call Ratio (Open Interest) of 0.1979 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	--
Historical Volatility (Parkinson)	--
Implied Volatility (Calls)	0.3910
Implied Volatility (Puts)	0.8776
Implied Volatility (Mean)	0.6343
Put-Call Implied Volatility Ratio	2.2442
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1979