BIIB
BIOGEN INC.
NASDAQ · Healthcare · Drug Manufacturers - General · US
$240.98
−0.87%Price returns
Price only, unadjusted for dividends
- 1 day
- -0.9%
- 5 days
- +3.4%
- 1 month
- +6.8%
- 3 months
- +21.7%
- 6 months
- +26.6%
- Year to date
- +36.7%
- 1 year
- +62.9%
- 3 years
- -5.0%
- 5 years
- -9.1%
- 10 years
- -17.2%
Moving averages
- SMA 10 · Above
- $232
- Price vs SMA 10
- +3.7%
- SMA 50 · Above
- $222
- Price vs SMA 50
- +8.6%
- SMA 200 · Above
- $199
- Price vs SMA 200
- +21.1%
Relative strength
14-day RSI
- RSI 14-day
- 66.6
- RSI signal
- Neutral
Multi-period price returns, moving averages and the latest 14-day relative strength index · Data as of Jun 1, 2026