Put-Call Ratio (Volume) (120-Day)

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

Biogen Inc. (BIIB) had 120-Day Put-Call Ratio (Volume) of 16.0826 for 2025-07-07.

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Figures for 2025-07-07

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3542
Historical Volatility (Parkinson)	0.3272
Implied Volatility (Calls)	0.3601
Implied Volatility (Puts)	0.3610
Implied Volatility (Mean)	0.3606
Put-Call Implied Volatility Ratio	1.0027
Implied Volatility Skew	0.0128
Option Statistics
Put-Call Ratio (Volume)	16.0826
Put-Call Ratio (Open Interest)	0.6820