Put-Call Ratio (Volume) (90-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

iShares Biotechnology ETF (IBB) had 90-Day Put-Call Ratio (Volume) of 1.9095 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2336
Historical Volatility (Parkinson)	0.1976
Implied Volatility (Calls)	0.2525
Implied Volatility (Puts)	0.2612
Implied Volatility (Mean)	0.2569
Put-Call Implied Volatility Ratio	1.0345
Implied Volatility Skew	0.0703
Option Statistics
Put-Call Ratio (Volume)	1.9095
Put-Call Ratio (Open Interest)	2.1899