A vs RGEN: Correlation
How closely do Agilent Technologies (A) and Repligen Corporation (RGEN) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are A and RGEN?
Over the past 3 years, A and RGEN moved with a correlation of 0.64, which is strong. Little has changed lately, as the 1-year reading of 0.64 lands near the 3-year figure. Over 5 years the correlation is 0.62, and the annualized covariance of weekly returns is 983.1 %².
Within A's tracked universe of 33 assets, RGEN comes in at #6 by 3-year correlation. The last year tells two different stories: RGEN led by 19.2 percentage points, +33.9% for A against +53.1% for RGEN. One caveat on sizing: RGEN is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 RGEN: side by side
| A (Agilent Technologies) | RGEN (Repligen Corporation) | |
|---|---|---|
| 1-year return | +33.9% | +53.1% |
| 5-year return | -7.5% | -35.6% |
| Volatility (ann.) | 31.0% | 49.5% |
| Beta vs S&P 500 | 0.98 | 1.35 |
| Max drawdown (3Y) | -35.3% | -50.6% |
| Market cap | $44.5B | $10.3B |
| P/E (trailing) | 30.6 | 252.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | A | RGEN |
|---|---|---|
| 2022 | -5.5% | -36.1% |
| 2023 | -6.4% | +6.2% |
| 2024 | -2.7% | -19.9% |
| 2025 | +1.9% | +13.8% |
| 2026 | +16.6% | +11.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are A and RGEN good diversifiers for each other?
Only partially. A correlation of 0.64 means A and RGEN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between A and RGEN?
The A/RGEN correlation stands at 0.64 on a 3-year window (1 year: 0.64, 5 years: 0.62), computed from weekly returns as of 2026-08-27.
Is RGEN a good diversifier for A?
Only partially. A correlation of 0.64 means A and RGEN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.64 mean?
On the −1 to +1 scale, 0.64 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-rgen.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/a-vs-rgen/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: A correlations · RGEN correlations
