All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

BIIB: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

Tue 1991-09-17? to Fri 2023-09-29 TRR
Price 		Day
Change 		Trendline Overall
Return 		Worst
Drawdown 		Current
Drawdown
BIIB × 		39.71 TRR
2023-09-29 		−0.33%
Fri 		+18.60%/yr
(R2=0.807) 		+3,871.1%
+12.18%/yr 		−90.8%
1994-12-16 		−55.1%
Biogen Inc NASDAQ Common Stock