CAH vs FISV: Correlation
Cardinal Health (CAH) and Fiserv (FISV) show a negative relationship: their 3-year correlation of weekly returns is -0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CAH and FISV?
Over the past 3 years, CAH and FISV moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.49) runs below the 3-year figure (-0.21). Over 5 years the correlation is -0.02, and the annualized covariance of weekly returns is -197.0 %².
Within CAH's tracked universe of 32 assets, FISV comes in at #23 by 3-year correlation. The last year tells two different stories: CAH led by 121.1 percentage points, +59.2% for CAH against -61.9% for FISV. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.59 to 0.52. Risk is not evenly split, since FISV carries 1.6 times the volatility of the other side.
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.
CAH vs FISV: side by side
| CAH (Cardinal Health) | FISV (Fiserv) | |
|---|---|---|
| 1-year return | +59.2% | -61.9% |
| 5-year return | +409.0% | -55.0% |
| Volatility (ann.) | 24.2% | 39.2% |
| Beta vs S&P 500 | 0.31 | 0.58 |
| Max drawdown (3Y) | -20.4% | -80.2% |
| Market cap | $54.7B | $28.0B |
| P/E (trailing) | 33.0 | 10.1 |
| Dividend yield | 0.86% | 0.00% |
| Sector / category | Health Care | Financials |
Year-by-year returns
| Year | CAH | FISV |
|---|---|---|
| 2022 | +54.1% | -2.6% |
| 2023 | +34.1% | +31.4% |
| 2024 | +19.0% | +54.6% |
| 2025 | +76.3% | -67.3% |
| 2026 | +15.2% | -21.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CAH and FISV good diversifiers for each other?
Yes. With a correlation of -0.21, CAH and FISV have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CAH and FISV?
The CAH/FISV correlation stands at -0.21 on a 3-year window (1 year: -0.49, 5 years: -0.02), computed from weekly returns as of 2026-08-27.
Is FISV a good diversifier for CAH?
Yes. With a correlation of -0.21, CAH and FISV have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 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/cah-vs-fisv.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cah-vs-fisv/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CAH correlations · FISV correlations