A vs BIO: Correlation
Agilent Technologies (A) and Bio-Rad Laboratories, Inc. (BIO) show a strong relationship: their 3-year correlation of weekly returns is 0.60.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are A and BIO?
Across a 3-year window, the weekly returns of A and BIO correlate at 0.60, strong. Recent behaviour matches the longer record: 0.68 over 1 year against 0.60 over 3. Stretching to 5 years gives 0.63, with an annualized covariance of 714.2 %².
Within A's tracked universe of 33 assets, BIO comes in at #11 by 3-year correlation. Neither side won the trailing year by much: +33.9% against +33.2%.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
A vs BIO: side by side
| A (Agilent Technologies) | BIO (Bio-Rad Laboratories, Inc.) | |
|---|---|---|
| 1-year return | +33.9% | +33.2% |
| 5-year return | -7.5% | -52.1% |
| Volatility (ann.) | 31.0% | 38.4% |
| Beta vs S&P 500 | 0.98 | 0.85 |
| Max drawdown (3Y) | -35.3% | -45.9% |
| Market cap | $44.5B | $10.4B |
| P/E (trailing) | 30.6 | 47.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | A | BIO |
|---|---|---|
| 2022 | -5.5% | -44.3% |
| 2023 | -6.4% | -23.2% |
| 2024 | -2.7% | +1.7% |
| 2025 | +1.9% | -7.8% |
| 2026 | +16.6% | +28.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are A and BIO good diversifiers for each other?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between A and BIO?
As of 2026-08-27, the correlation of weekly returns between A and BIO is 0.60 over 3 years, 0.68 over 1 year and 0.63 over 5 years.
Is BIO a good diversifier for A?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.60 mean?
On the −1 to +1 scale, 0.60 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/a-vs-bio.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/a-vs-bio/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: A correlations · BIO correlations
