Beta:
0.610.00(0.00%)Summary
- As of today (September 30, 2025), the beta for BIIB stock is 0.61, with the most recent change of 0.00 (0.00%) on September 29, 2025. This indicates that BIIB stock is less volatile than S&P 500 index
Performance
BIIB Beta Chart
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Range
BIIB Beta Trends
| PeriodPeriod | BetaBeta | PricePrice | SPXSPX |
|---|---|---|---|
| todaytoday | 0.0% | +0.8% | +0.3% |
| 1 m1 month | +1.7% | +4.8% | +3.1% |
| 3 m3 months | +3.4% | +9.9% | +7.9% |
| 6 m6 months | +56.4% | +0.1% | +19.4% |
| ytdytd | +1.7% | -9.4% | +13.3% |
| 1 y1 year | -15.3% | -28.8% | +16.1% |
| 5 y5 years | -28.2% | -50.9% | +99.7% |
BIIB Beta Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | 0.61 | at high | 0.59 | +3.4% |
| 3 m | 3-month | 0.66 | -7.6% | 0.59 | +3.4% |
| 6 m | 6-month | 0.66 | -7.6% | 0.34 | +79.4% |
| 1 y | 1-year | 0.74 | -17.6% | 0.34 | +79.4% |
| 3 y | 3-year | 0.99 | -38.4% | 0.34 | +79.4% |
| 5 y | 5-year | 0.99 | -38.4% | 0.04 | +1425.0% |
| alltime | all time | 4.76 | -87.2% | -0.64 | -195.3% |
BIIB Beta History
| Date | Value |
|---|---|
| 2025 | 0.61(+1.7%) |
| 2024 | 0.60(-23.1%) |
| 2023 | 0.78(-14.3%) |
| 2022 | 0.91(+184.4%) |
| 2021 | 0.32(-64.0%) |
| 2020 | 0.89(+32.8%) |
| 2019 | 0.67(-34.3%) |
| 2018 | 1.02(-18.4%) |
| 2017 | 1.25(-2.3%) |
| 2016 | 1.28(+9.4%) |
| 2015 | 1.17(-34.3%) |
| 2014 | 1.78(+28.1%) |
| 2013 | 1.39(+49.5%) |
| 2012 | 0.93(+14.8%) |
| 2011 | 0.81(+9.5%) |
| 2010 | 0.74(+25.4%) |
| Date | Value |
|---|---|
| 2009 | 0.59(-22.4%) |
| 2008 | 0.76(+18.8%) |
| 2007 | 0.64(-52.9%) |
| 2006 | 1.36(-9.9%) |
| 2005 | 1.51(-4.4%) |
| 2004 | 1.58(+20.6%) |
| 2003 | 1.31(0.0%) |
| 2002 | 1.31(-17.6%) |
| 2001 | 1.59(+17.8%) |
| 2000 | 1.35(+3.1%) |
| 1999 | 1.31(+48.9%) |
| 1998 | 0.88(+4.8%) |
| 1997 | 0.84(-59.4%) |
| 1996 | 2.07(-6.8%) |
| 1995 | 2.22(+29.8%) |
| 1994 | 1.71(>+9900.0%) |
| 1993 | 0.01 |
FAQ
- What is Biogen Inc. beta?
- What is the all time high beta for Biogen Inc.?
- What is BIIB beta year-to-date change?
- What is Biogen Inc. beta year-on-year change?
What is Biogen Inc. beta?
The current beta of BIIB is 0.61
What is the all time high beta for Biogen Inc.?
Biogen Inc. all-time high beta is 4.76
What is BIIB beta year-to-date change?
Biogen Inc. beta has changed by +0.01 (+1.67%) since the beginning of the year
What is Biogen Inc. beta year-on-year change?
Over the past year, BIIB beta has changed by -0.11 (-15.28%)