Historical Volatility (Close-to-Close) (30-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Biogen Inc. (BIIB) had 30-Day Historical Volatility (Close-to-Close) of 0.2124 for 2024-04-18.

10-Day 20-Day 30-Day 60-Day
90-Day 120-Day 150-Day 180-Day

Figures for 2024-04-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2124
Historical Volatility (Parkinson)	0.1903
Implied Volatility (Calls)	0.3915
Implied Volatility (Puts)	0.3867
Implied Volatility (Mean)	0.3891
Put-Call Implied Volatility Ratio	0.9878
Implied Volatility Skew	0.0623
Option Statistics
Put-Call Ratio (Volume)	1.4658
Put-Call Ratio (Open Interest)	0.3101
Forward Price	191.47
Call Breakeven Price	213.25
Put Breakeven Price	184.86
Option Breakeven Price	207.04