Put Breakeven Price (20-Day)

Put Breakeven Price: The average price at which a put option position breaks even at expiration, weighted by the open interests of the puts at various strike prices.

Biogen Inc. (BIIB) had 20-Day Put Breakeven Price of 135.93 for 2025-09-16.

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Figures for 2025-09-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3809
Historical Volatility (Parkinson)	0.3308
Implied Volatility (Calls)	0.2910
Implied Volatility (Puts)	0.3161
Implied Volatility (Mean)	0.3035
Put-Call Implied Volatility Ratio	1.0863
Implied Volatility Skew	0.0153
Option Statistics
Put-Call Ratio (Volume)	0.0857
Put-Call Ratio (Open Interest)	0.9055