Put-Call Ratio (Open Interest) (180-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.

VanEck Biotech ETF (BBH) had 180-Day Put-Call Ratio (Open Interest) of 0.7563 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2393
Historical Volatility (Parkinson)	0.1285
Implied Volatility (Calls)	0.2140
Implied Volatility (Puts)	0.2332
Implied Volatility (Mean)	0.2236
Put-Call Implied Volatility Ratio	1.0897
Implied Volatility Skew	0.0119
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.7563