CAH vs COR: Correlation
Cardinal Health (CAH) and Cencora (COR) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CAH and COR?
Over the past 3 years, CAH and COR moved with a correlation of 0.51, which is moderate. Little has changed lately, as the 1-year reading of 0.60 lands near the 3-year figure. Over 5 years the correlation is 0.61, and the annualized covariance of weekly returns is 272.4 %².
COR is one of the assets that tracks CAH most closely: it ranks #1 out of the 32 assets we track against CAH. The last year tells two different stories: CAH led by 47.8 percentage points, +59.2% for CAH against +11.4% for COR. On a rolling one-year basis the correlation drifted between 0.35 and 0.76, a moderate band.
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 COR: side by side
| CAH (Cardinal Health) | COR (Cencora) | |
|---|---|---|
| 1-year return | +59.2% | +11.4% |
| 5-year return | +409.0% | +188.6% |
| Volatility (ann.) | 24.2% | 21.9% |
| Beta vs S&P 500 | 0.31 | 0.08 |
| Max drawdown (3Y) | -20.4% | -32.4% |
| Market cap | $54.7B | $61.3B |
| P/E (trailing) | 33.0 | 24.3 |
| Dividend yield | 0.86% | 0.72% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | CAH | COR |
|---|---|---|
| 2022 | +54.1% | +26.3% |
| 2023 | +34.1% | +25.3% |
| 2024 | +19.0% | +10.4% |
| 2025 | +76.3% | +51.5% |
| 2026 | +15.2% | -4.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CAH and COR good diversifiers for each other?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CAH and COR?
As of 2026-08-27, the correlation of weekly returns between CAH and COR is 0.51 over 3 years, 0.60 over 1 year and 0.61 over 5 years.
Is COR a good diversifier for CAH?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.51 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.
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Hubs: CAH correlations · COR correlations