COR vs WRB: Correlation
Cencora (COR) and W. R. Berkley Corporation (WRB) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COR and WRB?
On 3 years of weekly data the COR/WRB correlation comes out at 0.38, moderate. The link has tightened recently: the 1-year correlation (0.51) runs above the 3-year figure (0.38). The 5-year figure is 0.44, and annualized covariance runs at 189.0 %².
By 3-year correlation, WRB places #15 of the 43 assets tracked against COR. The trailing year gives COR the advantage: +11.4% versus -2.0%, a 13.4-point spread. On a rolling one-year basis the correlation drifted between 0.15 and 0.59, 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.
COR vs WRB: side by side
| COR (Cencora) | WRB (W. R. Berkley Corporation) | |
|---|---|---|
| 1-year return | +11.4% | -2.0% |
| 5-year return | +188.6% | +130.5% |
| Volatility (ann.) | 21.9% | 22.5% |
| Beta vs S&P 500 | 0.08 | 0.19 |
| Max drawdown (3Y) | -32.4% | -17.6% |
| Market cap | $61.3B | $25.4B |
| P/E (trailing) | 24.3 | 14.1 |
| Dividend yield | 0.72% | 0.54% |
| Sector / category | Health Care | Financials |
Year-by-year returns
| Year | COR | WRB |
|---|---|---|
| 2022 | +26.3% | +33.9% |
| 2023 | +25.3% | +0.2% |
| 2024 | +10.4% | +27.2% |
| 2025 | +51.5% | +23.0% |
| 2026 | -4.3% | -1.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COR and WRB good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between COR and WRB?
The COR/WRB correlation stands at 0.38 on a 3-year window (1 year: 0.51, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is WRB a good diversifier for COR?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 mean?
A reading of 0.38 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: COR correlations · WRB correlations
