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Biogen Inc. logo

Biogen Inc. (BIIB) stock Relative Strength Index

14-Day RSI

56.993.44+6.42%

Summary

Current Value
As of today, BIIB 14-day RSI is 56.99, up +6.42% 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 RSI56.99+6.4%+0.9%+3.9%+2.2%+4.3%+103.8%+36.3%
Price$248.35+1.8%+10.0%+19.4%+41.1%+59.7%+10.6%-8.0%
200-Day SMA$203.18+0.2%+3.4%+9.9%+43.9%+49.9%-26.4%-32.3%
50-Day SMA$230.01+0.2%+6.0%+13.9%+37.4%+57.5%-9.7%-20.2%
20-Day SMA$243.91+0.5%+9.7%+19.8%+38.6%+63.9%-1.6%-10.5%
Beta0.33-2.9%0.0%+26.9%-42.1%-44.1%-54.8%+135.7%
ATR$8.21+1.7%+35.7%+11.2%+97.8%+68.5%+21.9%+4.4%
10-Day Volatility36.88%+3.3%+50.5%+28.5%+116.2%+28.8%-9.1%+13.1%
1-Month Volatility36.76%+2.7%+63.3%-24.1%+70.6%+48.6%+19.3%+30.2%
3-Month Volatility29.52%+1.2%-14.5%-27.8%+14.3%-15.5%+31.6%+17.8%
1-Year Volatility34.40%+0.1%+2.5%-3.5%+6.2%+7.2%+53.6%-27.5%

RSI Highs

BIIB 14-Day RSI Highs Comparison
PeriodHighDateCurrent
1M75.14-24.1%
3M75.14-24.1%
6M75.14-24.1%
1Y79.99-28.8%
3Y79.99-28.8%
5Y80.91-29.6%
All93.91-39.3%

RSI Lows

BIIB 14-Day RSI Lows Comparison
PeriodLowDateCurrent
1M53.55+22.3%
3M46.00+23.9%
6M42.42+34.4%
1Y35.55+60.3%
3Y17.51+225.5%
5Y17.51+225.5%
All9.03+531.1%

RSI History

DateValueChange
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%
55.84+68.9%
DateValueChange
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 56.99
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