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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

46.804.95-9.57%

Summary

Current Value
As of today, BIIB 14-day RSI is 46.80, down -9.57% on
Current Value Category
Based on its current 14-day relative strength index, BIIB falls into the weakening 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 RSI46.80-9.6%-15.1%-16.1%-16.1%+39.1%-23.4%-20.6%
Price$183.33-2.3%-4.4%+4.2%+4.2%+38.9%-34.1%-34.2%
200-Day SMA$158.73+0.2%+4.1%+12.4%+12.4%-10.3%-37.5%-41.0%
50-Day SMA$185.56+0.2%+2.3%+10.9%+10.9%+30.9%-32.7%-31.7%
Beta0.68-4.2%+11.5%+19.3%+19.3%+74.4%-27.7%-11.7%
ATR$5.99+15.1%+6.1%+44.2%+44.2%+45.1%+9.8%-23.7%
10-Day Volatility32.65%+6.3%+43.8%+91.4%+91.4%+32.5%+72.1%+38.2%
1-Month Volatility30.71%+0.5%-30.9%+42.5%+42.5%+2.2%+62.1%+27.1%
3-Month Volatility37.26%+0.9%+6.4%+44.3%+44.3%+31.3%+67.4%+22.7%
1-Year Volatility34.39%-0.2%+0.1%+6.2%+6.2%+32.0%-30.9%-44.7%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M56.85-17.7%
3M74.19-36.9%
6M79.99-41.5%
1Y79.99-41.5%
3Y79.99-41.5%
5Y90.29-48.2%
All93.91-50.2%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M43.25+8.2%
3M35.55+31.6%
6M35.55+31.6%
1Y18.49+153.1%
3Y17.51+167.3%
5Y17.51+167.3%
All9.03+418.3%

RSI History

DateValueChange
46.80-16.1%
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 46.80

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

    Based on its current 14-day relative strength index, BIIB falls into the weakening 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