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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

61.022.85-4.46%

Summary

Current Value
As of today, BIIB 14-day RSI is 61.02, down -4.46% 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 RSI61.02-4.5%+4.7%-12.6%+9.4%+25.9%+43.8%+143.2%
Price$227.07-0.7%+3.9%+4.8%+29.0%+63.9%-11.7%-20.5%
200-Day SMA$194.46+0.1%+2.5%+10.1%+37.7%+43.6%-30.7%-34.6%
50-Day SMA$213.95+0.3%+3.1%+10.4%+27.9%+57.2%-19.1%-34.0%
20-Day SMA$220.28+0.2%+3.8%+10.8%+25.1%+55.6%-14.9%-27.5%
Beta0.330.0%+17.9%+3.1%-42.1%-45.9%-51.5%-50.8%
ATR$5.67-0.9%-3.3%-14.1%+36.6%+47.4%+28.4%-28.3%
10-Day Volatility20.70%+1.2%-33.4%-47.4%+21.3%+28.0%+42.8%+28.5%
1-Month Volatility25.46%-1.7%-7.7%-32.0%+18.1%-19.2%+121.8%-2.7%
3-Month Volatility36.01%+0.1%-8.5%+1.2%+39.4%+12.5%+116.9%+30.7%
1-Year Volatility35.08%+0.0%-1.2%+2.9%+8.3%+16.7%+58.0%-50.6%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M63.87-4.5%
3M69.82-12.6%
6M69.82-12.6%
1Y79.99-23.7%
3Y79.99-23.7%
5Y80.91-24.6%
All93.91-35.0%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M46.00+32.6%
3M42.42+43.9%
6M36.28+68.2%
1Y35.55+71.7%
3Y17.51+248.5%
5Y17.51+248.5%
All9.03+575.8%

RSI History

DateValueChange
61.02+9.4%
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 61.02
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