CNA vs COR: Correlation
How closely do CNA Financial Corporation (CNA) and Cencora (COR) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CNA and COR?
On 3 years of weekly data the CNA/COR correlation comes out at 0.39, moderate. The past 12 months show a tighter link (0.64) than the 3-year average (0.39). The 5-year figure is 0.43, and annualized covariance runs at 167.9 %².
Within CNA's tracked universe of 26 assets, COR comes in at #19 by 3-year correlation. Twelve-month performance is nearly a tie, at +7.6% for CNA and +11.4% for COR.
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.
CNA vs COR: side by side
| CNA (CNA Financial Corporation) | COR (Cencora) | |
|---|---|---|
| 1-year return | +7.6% | +11.4% |
| 5-year return | +64.0% | +188.6% |
| Volatility (ann.) | 19.8% | 21.9% |
| Beta vs S&P 500 | 0.21 | 0.08 |
| Max drawdown (3Y) | -14.6% | -32.4% |
| Market cap | $13.2B | $61.3B |
| P/E (trailing) | 10.9 | 24.3 |
| Dividend yield | 3.80% | 0.72% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | CNA | COR |
|---|---|---|
| 2022 | +3.8% | +26.3% |
| 2023 | +7.1% | +25.3% |
| 2024 | +24.0% | +10.4% |
| 2025 | +7.0% | +51.5% |
| 2026 | +10.1% | -4.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CNA and COR good diversifiers for each other?
Reasonably. At 0.39, CNA and COR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CNA and COR?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.64 over the last year and 0.43 over 5 years.
Is COR a good diversifier for CNA?
Reasonably. At 0.39, CNA and COR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.39 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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Related comparisons
Hubs: CNA correlations · COR correlations
