Put-Call Ratio (Open Interest) (30-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.

Biohaven Ltd. (BHVN) had 30-Day Put-Call Ratio (Open Interest) of 0.5272 for 2025-05-12.

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Figures for 2025-05-12

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0661
Historical Volatility (Parkinson)	0.9854
Implied Volatility (Calls)	1.2124
Implied Volatility (Puts)	1.1312
Implied Volatility (Mean)	1.1718
Put-Call Implied Volatility Ratio	0.9330
Implied Volatility Skew	0.1226
Option Statistics
Put-Call Ratio (Volume)	0.1287
Put-Call Ratio (Open Interest)	0.5272