Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 1.6228 for 2025-07-11.

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Figures for 2025-07-11

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1802
Historical Volatility (Parkinson)	0.1707
Implied Volatility (Calls)	0.2259
Implied Volatility (Puts)	0.2258
Implied Volatility (Mean)	0.2258
Put-Call Implied Volatility Ratio	0.9994
Implied Volatility Skew	0.0323
Option Statistics
Put-Call Ratio (Volume)	1.6228
Put-Call Ratio (Open Interest)	1.0928