Put-Call Ratio (Volume) (60-Day)

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

Biogen Inc. (BIIB) had 60-Day Put-Call Ratio (Volume) of 5.5361 for 2025-06-27.

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Figures for 2025-06-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2981
Historical Volatility (Parkinson)	0.2708
Implied Volatility (Calls)	0.3614
Implied Volatility (Puts)	0.3464
Implied Volatility (Mean)	0.3539
Put-Call Implied Volatility Ratio	0.9583
Implied Volatility Skew	0.0063
Option Statistics
Put-Call Ratio (Volume)	5.5361
Put-Call Ratio (Open Interest)	1.2881