Historical Volatility (Close-to-Close) (20-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 20-Day Historical Volatility (Close-to-Close) of 0.4028 for 2024-07-26.

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

Figures for 2024-07-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4028
Historical Volatility (Parkinson)	0.2964
Implied Volatility (Calls)	0.4901
Implied Volatility (Puts)	0.4644
Implied Volatility (Mean)	0.4773
Put-Call Implied Volatility Ratio	0.9476
Implied Volatility Skew	-0.0198
Option Statistics
Put-Call Ratio (Volume)	1.0639
Put-Call Ratio (Open Interest)	0.6749
Forward Price	212.27
Call Breakeven Price	241.35
Put Breakeven Price	204.57
Option Breakeven Price	229.95