Biogen Inc. company logo
Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

52.616.86+14.99%

Summary

Current Value
As of today, BIIB 14-day RSI is 52.61, up +14.99% on
Current Value Category
Based on its current 14-day relative strength index, BIIB falls into the strengthening momentum category
1-Year High
BIIB 14-day RSI reached a 1-year high of 79.99 on
1-Year Low
BIIB 14-day RSI reached a 1-year low of 35.55 on

RSI Chart

Add series to chart
Add series to chart1/6
Series
SUGGESTED SERIES

Performance

BIIB Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI52.61+15.0%+19.8%+10.8%-5.7%+45.5%-21.5%+5.5%
Price$187.07+2.0%+3.1%+8.4%+6.3%+60.6%-36.4%-30.7%
200-Day SMA$161.98+0.2%+3.3%+12.7%+14.7%-4.7%-37.6%-39.9%
50-Day SMA$186.03-0.0%+0.9%+6.8%+11.2%+37.5%-32.4%-31.4%
Beta0.660.0%-5.7%+10.0%+15.8%+22.2%-29.0%-5.7%
ATR$5.57+1.9%+9.7%-0.7%+34.1%+12.7%+15.5%-14.0%
10-Day Volatility32.79%-0.8%+31.3%-26.8%+92.2%-44.5%+109.8%+63.5%
1-Month Volatility35.82%+9.7%+26.5%-1.9%+66.2%-25.2%+93.1%+60.3%
3-Month Volatility35.10%-0.5%-0.7%+16.1%+35.9%-2.9%+67.2%+29.9%
1-Year Volatility32.82%+0.3%-4.3%-1.4%+1.3%+15.4%-33.5%-46.6%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M56.85-7.5%
3M74.19-29.1%
6M79.99-34.2%
1Y79.99-34.2%
3Y79.99-34.2%
5Y90.29-41.7%
All93.91-44.0%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M36.28+45.0%
3M36.28+45.0%
6M35.55+48.0%
1Y35.55+48.0%
3Y17.51+200.5%
5Y17.51+200.5%
All9.03+482.6%

RSI History

DateValueChange
52.61-5.6%
55.76+25.4%
44.46-29.6%
63.11+57.4%
40.09-17.6%
48.66+5.7%
46.03-11.5%
52.01+14.2%
45.54-2.4%
46.64+12.3%
41.53-31.4%
60.53+15.8%
52.29-3.9%
54.42+31.0%
41.53-13.0%
47.75-16.3%
57.07-26.0%
77.09+38.1%
DateValueChange
55.84+68.9%
33.06-25.7%
44.47-22.6%
57.43-5.1%
60.49+23.8%
48.88+26.4%
38.68-24.9%
51.50+8.7%
47.36-37.3%
75.53+9.1%
69.22+46.3%
47.30-16.7%
56.79-12.0%
64.56+66.9%
38.69-17.0%
46.59+43.0%
32.59-28.1%
45.32-

FAQ

  • What is the current 14-day RSI of BIIB?

    As of today, BIIB 14-day RSI is 52.61

  • What 14-day RSI category does BIIB fall into?

    Based on its current 14-day relative strength index, BIIB falls into the strengthening momentum category

  • What is BIIB 14-day RSI 1-year high?

    BIIB 14-day RSI reached a 1-year high of 79.99 on November 28, 2025

  • What is BIIB 14-day RSI 1-year low?

    BIIB 14-day RSI reached a 1-year low of 35.55 on December 5, 2025

Data Sources & References

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