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 0.3736 for 2026-03-17.

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Figures for 2026-03-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3614
Historical Volatility (Parkinson)	0.3055
Implied Volatility (Calls)	0.3934
Implied Volatility (Puts)	0.3848
Implied Volatility (Mean)	0.3891
Put-Call Implied Volatility Ratio	0.9782
Implied Volatility Skew	0.0634
Option Statistics
Put-Call Ratio (Volume)	0.3736
Put-Call Ratio (Open Interest)	0.2869