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 1.8323 for 2025-07-08.

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Figures for 2025-07-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3467
Historical Volatility (Parkinson)	0.3292
Implied Volatility (Calls)	0.3541
Implied Volatility (Puts)	0.3636
Implied Volatility (Mean)	0.3589
Put-Call Implied Volatility Ratio	1.0267
Implied Volatility Skew	0.0140
Option Statistics
Put-Call Ratio (Volume)	1.8323
Put-Call Ratio (Open Interest)	0.6311