Biogen Inc. company logo
Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

55.183.45+6.67%

Summary

Current Value
As of today, BIIB 14-day RSI is 55.18, up +6.67% 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

SUGGESTED SERIES

Performance

BIIB Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI55.18+6.7%+5.1%+23.4%-1.0%+22.8%+25.6%-21.1%
Price$198.67+1.6%+3.5%+9.0%+12.9%+57.0%-33.2%-48.9%
200-Day SMA$174.41+0.2%+3.8%+11.6%+23.5%+14.8%-37.1%-36.3%
50-Day SMA$190.15+0.2%+2.5%+3.1%+13.6%+53.2%-36.8%-36.0%
20-Day SMA$195.06+0.2%+2.3%+3.6%+10.8%+49.7%-35.5%-41.9%
Beta0.36-5.3%-25.0%-47.8%-36.8%-39.0%-62.1%-54.4%
ATR$5.92+2.4%-2.4%+11.1%+42.7%+75.5%-19.6%-69.4%
10-Day Volatility30.51%-13.0%-23.8%+19.2%+78.8%+21.1%+34.4%-84.5%
1-Month Volatility29.56%+3.2%-26.4%+5.0%+37.2%+1.6%+51.4%-77.9%
3-Month Volatility34.26%+1.2%+0.7%-4.9%+32.6%-6.5%+61.5%-57.5%
1-Year Volatility33.45%-0.3%0.0%-2.3%+3.3%+17.4%-30.0%-53.2%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M57.92-4.7%
3M68.83-19.8%
6M74.19-25.6%
1Y79.99-31.0%
3Y79.99-31.0%
5Y80.91-31.8%
All93.91-41.2%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M46.84+17.8%
3M36.28+52.1%
6M35.55+55.2%
1Y35.55+55.2%
3Y17.51+215.1%
5Y17.51+215.1%
All9.03+511.1%

RSI History

DateValueChange
55.18-1.0%
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 55.18

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