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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

54.521.19-2.14%

Summary

Current Value
As of today, BIIB 14-day RSI is 54.52, down -2.14% 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 RSI54.52-2.1%-20.9%-1.6%-2.2%+14.0%+40.3%+28.6%
Price$204.42-1.7%-5.4%+8.0%+16.1%+59.7%-24.3%-37.4%
200-Day SMA$183.06+0.2%+3.5%+11.5%+29.6%+28.6%-35.9%-35.4%
50-Day SMA$200.27+0.2%+2.9%+8.4%+19.7%+54.5%-30.8%-41.0%
20-Day SMA$203.42-0.0%+1.7%+12.3%+15.6%+56.5%-26.3%-39.8%
Beta0.20-4.8%-37.5%-68.3%-64.9%-69.2%-79.6%-72.2%
ATR$8.08-0.9%+23.9%+27.0%+94.5%+105.0%+19.5%-28.2%
10-Day Volatility31.28%-27.1%-19.6%-27.8%+83.3%-10.6%+49.6%+100.8%
1-Month Volatility51.19%+0.0%+39.8%+30.3%+137.5%+46.8%+140.2%+46.8%
3-Month Volatility40.13%-0.9%+13.3%+6.2%+55.4%+26.9%+109.0%-52.0%
1-Year Volatility35.72%+0.1%+4.8%+6.4%+10.3%+25.3%-23.9%-50.4%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M68.95-20.9%
3M69.82-21.9%
6M74.19-26.5%
1Y79.99-31.8%
3Y79.99-31.8%
5Y80.91-32.6%
All93.91-41.9%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M42.42+28.5%
3M42.42+28.5%
6M36.28+50.3%
1Y35.55+53.4%
3Y17.51+211.4%
5Y17.51+211.4%
All9.03+503.8%

RSI History

DateValueChange
54.52-2.2%
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 54.52

  • 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