Put-Call Ratio (Volume) (180-Day)

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

Biogen Inc. (BIIB) had 180-Day Put-Call Ratio (Volume) of 3.0244 for 2025-07-07.

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Figures for 2025-07-07

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3325
Historical Volatility (Parkinson)	0.3179
Implied Volatility (Calls)	0.3619
Implied Volatility (Puts)	0.3676
Implied Volatility (Mean)	0.3647
Put-Call Implied Volatility Ratio	1.0158
Implied Volatility Skew	-0.0060
Option Statistics
Put-Call Ratio (Volume)	3.0244
Put-Call Ratio (Open Interest)	0.5859