COR vs LH: Correlation
Cencora (COR) and Labcorp (LH) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COR and LH?
Over the past 3 years, COR and LH moved with a correlation of 0.36, which is moderate. Recent behaviour matches the longer record: 0.45 over 1 year against 0.36 over 3. Over 5 years the correlation is 0.37, and the annualized covariance of weekly returns is 170.5 %².
Among the 43 assets we track against COR, LH ranks #16 by 3-year correlation. The trailing year gives LH the advantage: +11.4% versus +21.8%, a 10.4-point spread. Across three years, the rolling one-year figure varied moderately, from 0.07 to 0.50.
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.
COR vs LH: side by side
| COR (Cencora) | LH (Labcorp) | |
|---|---|---|
| 1-year return | +11.4% | +21.8% |
| 5-year return | +188.6% | +36.0% |
| Volatility (ann.) | 21.9% | 21.4% |
| Beta vs S&P 500 | 0.08 | 0.33 |
| Max drawdown (3Y) | -32.4% | -17.4% |
| Market cap | $61.3B | $27.3B |
| P/E (trailing) | 24.3 | 27.8 |
| Dividend yield | 0.72% | 0.86% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | COR | LH |
|---|---|---|
| 2022 | +26.3% | -24.4% |
| 2023 | +25.3% | +13.8% |
| 2024 | +10.4% | +2.2% |
| 2025 | +51.5% | +10.6% |
| 2026 | -4.3% | +34.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COR and LH good diversifiers for each other?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between COR and LH?
Using weekly returns as of 2026-08-27: 0.36 over 3 years, with 0.45 over the last year and 0.37 over 5 years.
Is LH a good diversifier for COR?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.36 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/cor-vs-lh.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cor-vs-lh/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: COR correlations · LH correlations
