Put-Call Ratio (Open Interest) (20-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.

BioMarin Pharmaceutical Inc. (BMRN) had 20-Day Put-Call Ratio (Open Interest) of 0.2669 for 2025-09-12.

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Figures for 2025-09-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3312
Historical Volatility (Parkinson)	0.2751
Implied Volatility (Calls)	0.3713
Implied Volatility (Puts)	0.3612
Implied Volatility (Mean)	0.3662
Put-Call Implied Volatility Ratio	0.9725
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.2629
Put-Call Ratio (Open Interest)	0.2669