APTV vs CAH: Correlation
Measured on weekly returns over the past three years, Aptiv (APTV) and Cardinal Health (CAH) carry a correlation of -0.16, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APTV and CAH?
Over the past 3 years, APTV and CAH moved with a correlation of -0.16, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.21) sits close to the 3-year figure. Over 5 years the correlation is 0.05, and the annualized covariance of weekly returns is -142.0 %².
Among the 33 assets we track against APTV, CAH ranks #25 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CAH ahead by 102.4 points (-43.2% versus +59.2%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.34 to 0.20. One caveat on sizing: APTV 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.
APTV vs CAH: side by side
| APTV (Aptiv) | CAH (Cardinal Health) | |
|---|---|---|
| 1-year return | -43.2% | +59.2% |
| 5-year return | -70.3% | +409.0% |
| Volatility (ann.) | 37.7% | 24.2% |
| Beta vs S&P 500 | 0.76 | 0.31 |
| Max drawdown (3Y) | -56.5% | -20.4% |
| Market cap | $9.4B | $54.7B |
| P/E (trailing) | 20.9 | 33.0 |
| Dividend yield | 0.00% | 0.86% |
| Sector / category | Consumer Discretionary | Health Care |
Year-by-year returns
| Year | APTV | CAH |
|---|---|---|
| 2022 | -43.5% | +54.1% |
| 2023 | -3.7% | +34.1% |
| 2024 | -32.6% | +19.0% |
| 2025 | +25.8% | +76.3% |
| 2026 | -40.3% | +15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APTV and CAH good diversifiers for each other?
Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between APTV and CAH?
Using weekly returns as of 2026-08-27: -0.16 over 3 years, with -0.21 over the last year and 0.05 over 5 years.
Is CAH a good diversifier for APTV?
Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.16 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aptv-vs-cah.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aptv-vs-cah/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: APTV correlations · CAH correlations
