COR vs RLI: Correlation
How closely do Cencora (COR) and RLI Corp. (RLI) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COR and RLI?
On 3 years of weekly data the COR/RLI correlation comes out at 0.41, moderate. The link has tightened recently: the 1-year correlation (0.54) runs above the 3-year figure (0.41). The 5-year figure is 0.41, and annualized covariance runs at 199.0 %².
Among the 43 assets we track against COR, RLI ranks #6 by 3-year correlation. The trailing year gives COR the advantage: +11.4% versus +1.9%, a 9.5-point spread.
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 RLI: side by side
| COR (Cencora) | RLI (RLI Corp.) | |
|---|---|---|
| 1-year return | +11.4% | +1.9% |
| 5-year return | +188.6% | +46.7% |
| Volatility (ann.) | 21.9% | 22.2% |
| Beta vs S&P 500 | 0.08 | 0.18 |
| Max drawdown (3Y) | -32.4% | -43.5% |
| Market cap | $61.3B | $5.9B |
| P/E (trailing) | 24.3 | 13.5 |
| Dividend yield | 0.72% | 1.02% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | COR | RLI |
|---|---|---|
| 2022 | +26.3% | +24.8% |
| 2023 | +25.3% | +3.8% |
| 2024 | +10.4% | +27.6% |
| 2025 | +51.5% | -19.1% |
| 2026 | -4.3% | +5.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COR and RLI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between COR and RLI?
The COR/RLI correlation stands at 0.41 on a 3-year window (1 year: 0.54, 5 years: 0.41), computed from weekly returns as of 2026-08-27.
Is RLI a good diversifier for COR?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 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/cor-vs-rli.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cor-vs-rli/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COR correlations · RLI correlations
