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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

51.754.56+9.66%

Summary

Current Value
As of today, BIIB 14-day RSI is 51.75, up +9.66% 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 RSI51.75+9.7%-6.1%-8.8%-7.2%+20.7%-10.5%-9.1%
Price$187.57+2.0%-2.2%+6.3%+6.6%+35.6%-31.8%-32.0%
200-Day SMA$158.47+0.2%+3.9%+12.4%+12.2%-10.9%-37.5%-41.1%
50-Day SMA$185.18+0.2%+2.0%+11.1%+10.7%+30.4%-32.9%-31.8%
Beta0.71-1.4%+16.4%+24.6%+24.6%+82.0%-24.5%-11.3%
ATR$5.20+1.6%-7.8%+20.9%+25.3%+29.0%-6.7%-37.2%
10-Day Volatility30.70%+4.5%+35.2%+41.4%+80.0%+21.0%+54.7%+26.0%
1-Month Volatility30.56%+0.7%-28.2%+32.8%+41.8%+5.6%+62.1%+25.9%
3-Month Volatility36.94%+1.4%+5.2%+13.7%+43.0%+31.9%+65.3%+21.1%
1-Year Volatility34.46%+0.1%+0.3%+6.2%+6.4%+33.2%-30.6%-44.9%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M56.85-9.0%
3M74.19-30.3%
6M79.99-35.3%
1Y79.99-35.3%
3Y79.99-35.3%
5Y90.29-42.7%
All93.91-44.9%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M43.25+19.6%
3M35.55+45.6%
6M35.55+45.6%
1Y18.49+179.9%
3Y17.51+195.6%
5Y17.51+195.6%
All9.03+473.1%

RSI History

DateValueChange
51.75-7.2%
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 51.75

  • 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