What is the current 200-day SMA of BIIB?

As of today, BIIB 200-day SMA is $166.03

How does BIIB 200-day SMA compare to its current price?

BIIB 200-day SMA is -14.17% below its current market price

How far is BIIB 200-day SMA from its all-time high?

BIIB 200-day SMA is currently -55.85% below its historical high of $376.10 set on August 6, 2015

What is 1-year change in BIIB 200-day SMA?

BIIB 200-day SMA is up +2.25% year-over-year

What is the current 50-day SMA of BIIB?

As of today, BIIB 50-day SMA is $184.50

How does BIIB 50-day SMA compare to its current price?

BIIB 50-day SMA is -4.62% below its current market price

How far is BIIB 50-day SMA from its all-time high?

BIIB 50-day SMA is currently -56.05% below its historical high of $419.84 set on April 24, 2015

What is 1-year change in BIIB 50-day SMA?

BIIB 50-day SMA is up +42.19% year-over-year

Biogen Inc. (BIIB) Stock Moving Average History & Chart

200-Day SMA

$166.03$0.31+0.19%

May 8, 2026

Summary

Current Value: As of today, BIIB 200-day SMA is $166.03, up +0.19% on May 8, 2026
Vs Current Price: BIIB 200-day SMA is -14.17% below its current market price
1-Year High: BIIB 200-day SMA reached a 1-year high of $166.03 on May 8, 2026
1-Year LOW: BIIB 200-day SMA reached a 1-year low of $135.12 on October 29, 2025

200-Day SMA Chart

Performance

BIIB Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
200-Day SMA	May 8, 26	$166.03	+0.2%	+3.5%	+11.8%	+17.6%	+2.3%	-37.6%	-38.2%
50-Day SMA	May 8, 26	$184.50	+0.1%	-0.9%	+3.6%	+10.3%	+42.2%	-34.8%	-31.5%
Price	May 8, 26	$193.45	+1.1%	+11.8%	+1.2%	+9.9%	+63.7%	-37.7%	-30.5%
14-Day RSI	May 8, 26	59.36	+3.6%	+50.0%	-1.5%	+6.5%	+41.1%	-6.7%	-0.9%
Beta	May 8, 26	0.60	+1.7%	-20.0%	-4.8%	+5.3%	+9.1%	-35.5%	-22.1%
ATR	May 8, 26	$5.41	+0.4%	-8.7%	-12.4%	+30.4%	+35.6%	-16.2%	-15.6%
10-Day Volatility	May 8, 26	37.78%	-4.1%	-0.9%	-33.6%	+121.5%	+40.3%	+58.7%	+98.7%
3-Month Volatility	May 8, 26	31.42%	-2.4%	-15.7%	-12.1%	+21.6%	-13.7%	+35.9%	+33.7%
1-Year Volatility	May 8, 26	33.30%	+0.2%	+0.9%	-3.9%	+2.8%	+18.8%	-31.6%	-45.1%

200-Day SMA Highs

BIIB 200-Day SMA Highs Comparison
Period	High	Date	Current
1M	$166.03	May 8, 26	at high
3M	$166.03	May 8, 26	at high
6M	$166.03	May 8, 26	at high
1Y	$166.03	May 8, 26	at high
3Y	$285.77	Aug 10, 23	-41.9%
5Y	$300.03	Nov 5, 21	-44.7%
All	$376.10	Aug 6, 15	-55.9%

200-Day SMA Lows

BIIB 200-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$160.46	Apr 10, 26	+3.5%
3M	$148.48	Feb 11, 26	+11.8%
6M	$135.61	Nov 11, 25	+22.4%
1Y	$135.12	Oct 29, 25	+22.9%
3Y	$135.12	Oct 29, 25	+22.9%
5Y	$135.12	Oct 29, 25	+22.9%
All	$0.46	Mar 2, 95	>+9999.0%

200-Day SMA History

Date	Value	Change
May 11, 2026	$166.03	+17.6%
Dec 31, 2025	$141.19	-29.1%
Dec 31, 2024	$199.16	-26.3%
Dec 31, 2023	$270.09	+16.5%
Dec 31, 2022	$231.87	-21.4%
Dec 31, 2021	$294.86	+5.3%
Dec 31, 2020	$280.00	+13.3%
Dec 31, 2019	$247.24	-20.9%
Dec 31, 2018	$312.62	+6.8%
Dec 31, 2017	$292.70	+3.1%
Dec 31, 2016	$283.97	-17.4%
Dec 31, 2015	$343.90	+8.1%
Dec 31, 2014	$318.12	+38.3%
Dec 31, 2013	$229.95	+62.9%
Dec 31, 2012	$141.17	+43.7%
Dec 31, 2011	$98.27	+73.5%
Dec 31, 2010	$56.63	+15.7%
Dec 31, 2009	$48.93	-9.9%

Date	Value	Change
Dec 31, 2008	$54.33	-7.7%
Dec 31, 2007	$58.84	+28.2%
Dec 31, 2006	$45.92	+16.7%
Dec 31, 2005	$39.33	-34.1%
Dec 31, 2004	$59.66	+69.4%
Dec 31, 2003	$35.21	-19.1%
Dec 31, 2002	$43.53	-23.6%
Dec 31, 2001	$57.01	+26.7%
Dec 31, 2000	$44.99	+186.2%
Dec 31, 1999	$15.72	+208.7%
Dec 31, 1998	$5.09	+3.7%
Dec 31, 1997	$4.91	+28.3%
Dec 31, 1996	$3.83	+193.9%
Dec 31, 1995	$1.30	+163.9%
Dec 31, 1994	$0.49	-45.2%
Dec 31, 1993	$0.90	-35.5%
Dec 31, 1992	$1.40	-47.4%
Dec 31, 1991	$2.66	-

FAQ

What is the current 200-day SMA of BIIB?
As of today, BIIB 200-day SMA is $166.03
How does BIIB 200-day SMA compare to its current price?
BIIB 200-day SMA is -14.17% below its current market price
How far is BIIB 200-day SMA from its all-time high?
BIIB 200-day SMA is currently -55.85% below its historical high of $376.10 set on August 6, 2015
What is 1-year change in BIIB 200-day SMA?
BIIB 200-day SMA is up +2.25% year-over-year

50-Day SMA

$184.50$0.11+0.06%

May 8, 2026

Summary

Current Value: As of today, BIIB 50-day SMA is $184.50, up +0.06% on May 8, 2026
Vs Current Price: BIIB 50-day SMA is -4.62% below its current market price
1-Year High: BIIB 50-day SMA reached a 1-year high of $186.27 on April 9, 2026
1-Year LOW: BIIB 50-day SMA reached a 1-year low of $123.88 on June 13, 2025

Performance

BIIB Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
50-Day SMA	May 8, 26	$184.50	+0.1%	-0.9%	+3.6%	+10.3%	+42.2%	-34.8%	-31.5%
200-Day SMA	May 8, 26	$166.03	+0.2%	+3.5%	+11.8%	+17.6%	+2.3%	-37.6%	-38.2%
Price	May 8, 26	$193.45	+1.1%	+11.8%	+1.2%	+9.9%	+63.7%	-37.7%	-30.5%
14-Day RSI	May 8, 26	59.36	+3.6%	+50.0%	-1.5%	+6.5%	+41.1%	-6.7%	-0.9%
Beta	May 8, 26	0.60	+1.7%	-20.0%	-4.8%	+5.3%	+9.1%	-35.5%	-22.1%
ATR	May 8, 26	$5.41	+0.4%	-8.7%	-12.4%	+30.4%	+35.6%	-16.2%	-15.6%
10-Day Volatility	May 8, 26	37.78%	-4.1%	-0.9%	-33.6%	+121.5%	+40.3%	+58.7%	+98.7%
3-Month Volatility	May 8, 26	31.42%	-2.4%	-15.7%	-12.1%	+21.6%	-13.7%	+35.9%	+33.7%
1-Year Volatility	May 8, 26	33.30%	+0.2%	+0.9%	-3.9%	+2.8%	+18.8%	-31.6%	-45.1%

50-Day SMA Highs

BIIB 50-Day SMA Highs Comparison
Period	High	Date	Current
1M	$186.25	Apr 15, 26	-0.9%
3M	$186.27	Apr 9, 26	-0.9%
6M	$186.27	Apr 9, 26	-0.9%
1Y	$186.27	Apr 9, 26	-0.9%
3Y	$301.54	Jun 22, 23	-38.8%
5Y	$353.34	Aug 16, 21	-47.8%
All	$419.84	Apr 24, 15	-56.0%

50-Day SMA Lows

BIIB 50-Day SMA Lows Comparison
Period	Low	Date	Current
1M	$184.38	May 6, 26	+0.1%
3M	$178.08	Feb 11, 26	+3.6%
6M	$146.93	Nov 11, 25	+25.6%
1Y	$123.88	Jun 13, 25	+48.9%
3Y	$123.88	Jun 13, 25	+48.9%
5Y	$123.88	Jun 13, 25	+48.9%
All	$0.40	Jan 23, 95	>+9999.0%

50-Day SMA History

Date	Value	Change
May 11, 2026	$184.50	+10.2%
Dec 31, 2025	$167.35	+2.5%
Dec 31, 2024	$163.29	-32.4%
Dec 31, 2023	$241.45	-16.0%
Dec 31, 2022	$287.57	+14.7%
Dec 31, 2021	$250.62	-0.7%
Dec 31, 2020	$252.50	-13.6%
Dec 31, 2019	$292.40	-6.8%
Dec 31, 2018	$313.62	-1.5%
Dec 31, 2017	$318.35	+7.8%
Dec 31, 2016	$295.38	+1.4%
Dec 31, 2015	$291.30	-10.7%
Dec 31, 2014	$326.09	+23.3%
Dec 31, 2013	$264.50	+80.8%
Dec 31, 2012	$146.31	+31.1%
Dec 31, 2011	$111.64	+72.0%
Dec 31, 2010	$64.89	+36.7%
Dec 31, 2009	$47.46	+6.9%

Date	Value	Change
Dec 31, 2008	$44.38	-36.1%
Dec 31, 2007	$69.44	+41.4%
Dec 31, 2006	$49.12	+13.7%
Dec 31, 2005	$43.19	-29.6%
Dec 31, 2004	$61.31	+70.8%
Dec 31, 2003	$35.90	-6.5%
Dec 31, 2002	$38.40	-41.9%
Dec 31, 2001	$66.03	+2.6%
Dec 31, 2000	$64.35	+192.4%
Dec 31, 1999	$22.01	+275.6%
Dec 31, 1998	$5.86	-2.9%
Dec 31, 1997	$6.04	+66.2%
Dec 31, 1996	$3.63	+56.5%
Dec 31, 1995	$2.32	+468.6%
Dec 31, 1994	$0.41	-59.0%
Dec 31, 1993	$0.99	-40.8%
Dec 31, 1992	$1.68	-32.4%
Dec 31, 1991	$2.49	-

FAQ

What is the current 50-day SMA of BIIB?
As of today, BIIB 50-day SMA is $184.50
How does BIIB 50-day SMA compare to its current price?
BIIB 50-day SMA is -4.62% below its current market price
How far is BIIB 50-day SMA from its all-time high?
BIIB 50-day SMA is currently -56.05% below its historical high of $419.84 set on April 24, 2015
What is 1-year change in BIIB 50-day SMA?
BIIB 50-day SMA is up +42.19% year-over-year

Data Sources & References

BIIB Official Website www.biogen.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/875045/000087504526000013/0000875045-26-000013-index.htm
BIIB Profile on Yahoo Finance finance.yahoo.com/quote/BIIB
BIIB Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/biib