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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

51.030.19+0.37%

Summary

Current Value
As of today, BIIB 14-day RSI is 51.03, up +0.37% 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 18.49 on

RSI Chart

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Series
SUGGESTED SERIES

Performance

BIIB Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI51.03+0.4%-12.9%-17.4%-8.5%-21.9%+78.9%+22.9%
Price$188.41+0.1%-0.3%+6.1%+7.1%+25.0%-26.6%-28.3%
200-Day SMA$154.67+0.2%+4.4%+11.3%+9.6%-15.8%-37.9%-43.0%
50-Day SMA$183.42+0.1%+3.1%+14.4%+9.6%+27.1%-34.4%-31.5%
Beta0.660.0%+4.8%+13.8%+15.8%+61.0%-30.5%-20.5%
ATR$5.65-2.5%-10.2%+7.7%+36.0%+21.8%-10.2%-32.8%
10-Day Volatility31.79%+0.2%-44.2%+53.9%+86.3%+55.0%+112.8%+47.9%
1-Month Volatility26.78%-5.2%-45.9%-0.2%+24.3%-9.7%+15.4%+20.4%
3-Month Volatility36.00%-0.1%+0.3%+9.0%+39.4%+36.4%+63.6%+22.5%
1-Year Volatility34.53%0.0%-0.5%+6.4%+6.6%+35.2%-30.7%-48.2%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M64.15-20.4%
3M74.19-31.2%
6M79.99-36.2%
1Y79.99-36.2%
3Y79.99-36.2%
5Y90.29-43.5%
All93.91-45.7%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M45.88+11.2%
3M35.55+43.5%
6M35.55+43.5%
1Y18.49+176.0%
3Y17.51+191.4%
5Y17.51+191.4%
All9.03+465.1%

RSI History

DateValueChange
51.03-8.5%
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 51.03

  • 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 18.49 on April 8, 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