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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

56.430.57-1.00%

Summary

Current Value
As of today, BIIB 14-day RSI is 56.43, down -1.00% 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 RSI56.43-1.0%+6.3%+20.1%+1.2%-1.0%+9.5%+37.3%
Price$196.00-0.2%+4.8%+2.2%+11.4%+51.0%-35.2%-26.6%
200-Day SMA$170.55+0.2%+3.7%+11.8%+20.8%+8.9%-37.3%-36.4%
50-Day SMA$186.72+0.1%+1.1%+2.9%+11.6%+49.3%-36.5%-31.4%
20-Day SMA$193.05+0.2%+6.3%+1.4%+9.7%+55.0%-37.1%-30.0%
Beta0.430.0%-31.8%-29.5%-24.6%-25.9%-53.8%-45.6%
ATR$5.43-2.9%-12.7%-3.8%+30.8%+45.6%-10.3%-19.9%
10-Day Volatility19.19%-50.5%-56.8%-15.5%+12.5%-45.8%+14.8%+2.5%
1-Month Volatility31.18%-17.1%-21.3%-29.8%+44.7%-18.6%+112.0%+41.1%
3-Month Volatility33.43%-0.8%-11.0%-4.5%+29.4%-12.6%+61.8%+42.4%
1-Year Volatility33.03%-0.8%-1.7%-3.9%+2.0%+14.9%-31.6%-45.5%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M68.83-18.0%
3M68.83-18.0%
6M74.19-23.9%
1Y79.99-29.4%
3Y79.99-29.4%
5Y90.29-37.5%
All93.91-39.9%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M47.99+17.6%
3M36.28+55.5%
6M35.55+58.7%
1Y35.55+58.7%
3Y17.51+222.3%
5Y17.51+222.3%
All9.03+524.9%

RSI History

DateValueChange
56.43+1.2%
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 56.43

  • 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