Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Biogen Inc. (BIIB) had 150-Day Put-Call Ratio (Volume) of 2.1850 for 2025-06-27.

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Figures for 2025-06-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3364
Historical Volatility (Parkinson)	0.3186
Implied Volatility (Calls)	0.3664
Implied Volatility (Puts)	0.3593
Implied Volatility (Mean)	0.3629
Put-Call Implied Volatility Ratio	0.9806
Implied Volatility Skew	0.0121
Option Statistics
Put-Call Ratio (Volume)	2.1850
Put-Call Ratio (Open Interest)	0.6317