Option Breakeven Price (20-Day)

Option Breakeven Price: The average price at which an option position breaks even at expiration, weighted by the open interests of all calls and puts.

Biogen Inc. (BIIB) had 20-Day Option Breakeven Price of 169.80 for 2025-12-22.

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Figures for 2025-12-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2555
Historical Volatility (Parkinson)	0.2971
Implied Volatility (Calls)	0.3097
Implied Volatility (Puts)	0.2769
Implied Volatility (Mean)	0.2933
Put-Call Implied Volatility Ratio	0.8942
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.2951
Put-Call Ratio (Open Interest)	1.0111