Biogen Inc. company logo
Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

47.000.26+0.56%

Summary

Current Value
As of today, BIIB 14-day RSI is 47.00, up +0.56% 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 35.55 on

RSI Chart

SUGGESTED SERIES

Performance

BIIB Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
14-Day RSI47.00+0.6%-9.1%+18.8%-15.7%-22.7%+20.4%-13.7%
Price$199.15+0.1%+2.5%+15.1%+13.2%+47.2%-29.3%-44.4%
200-Day SMA$179.11+0.2%+3.6%+11.6%+26.9%+21.9%-36.7%-35.9%
50-Day SMA$197.49+0.2%+5.0%+6.0%+18.0%+54.9%-34.2%-38.7%
20-Day SMA$203.76+0.1%+5.0%+12.0%+15.8%+57.1%-29.9%-44.5%
Beta0.300.0%-21.1%-60.0%-47.4%-49.1%-69.1%-60.0%
ATR$6.62-1.2%+11.9%+11.7%+59.6%+65.9%+2.2%-55.8%
10-Day Volatility49.65%-0.8%+47.1%+30.2%+191.0%+59.1%+106.6%+45.9%
1-Month Volatility37.70%-3.9%+4.5%+16.0%+74.9%+32.4%+57.0%-3.4%
3-Month Volatility35.49%-1.1%+4.3%-4.8%+37.4%+17.4%+61.8%-57.2%
1-Year Volatility34.24%+0.0%+2.3%+3.9%+5.7%+18.3%-27.9%-52.3%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M69.82-32.7%
3M69.82-32.7%
6M74.19-36.6%
1Y79.99-41.2%
3Y79.99-41.2%
5Y80.91-41.9%
All93.91-50.0%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M46.74+0.6%
3M39.58+18.8%
6M35.55+32.2%
1Y35.55+32.2%
3Y17.51+168.4%
5Y17.51+168.4%
All9.03+420.5%

RSI History

DateValueChange
47.00-15.7%
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 47.00

  • 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 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