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 1.3890 for 2025-10-10.

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Figures for 2025-10-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1971
Historical Volatility (Parkinson)	0.1504
Implied Volatility (Calls)	0.2381
Implied Volatility (Puts)	0.2225
Implied Volatility (Mean)	0.2303
Put-Call Implied Volatility Ratio	0.9345
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.3890
Put-Call Ratio (Open Interest)	1.5115