AON vs CINF: Correlation
How closely do Aon plc (AON) and Cincinnati Financial (CINF) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AON and CINF?
On 3 years of weekly data the AON/CINF correlation comes out at 0.49, moderate. The relationship has been stable: the 1-year correlation (0.51) sits close to the 3-year figure. The 5-year figure is 0.40, and annualized covariance runs at 228.3 %².
Within AON's tracked universe of 32 assets, CINF comes in at #9 by 3-year correlation. The last year tells two different stories: CINF led by 19.1 percentage points, -4.6% for AON against +14.5% for CINF. This link changes with the market regime, having swung between 0.05 and 0.60 on a rolling one-year basis.
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.
AON vs CINF: side by side
| AON (Aon plc) | CINF (Cincinnati Financial) | |
|---|---|---|
| 1-year return | -4.6% | +14.5% |
| 5-year return | +27.0% | +58.8% |
| Volatility (ann.) | 21.7% | 21.6% |
| Beta vs S&P 500 | 0.34 | 0.36 |
| Max drawdown (3Y) | -24.2% | -20.0% |
| Market cap | $74.2B | $26.5B |
| P/E (trailing) | 19.5 | 8.1 |
| Dividend yield | 0.86% | 2.10% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | AON | CINF |
|---|---|---|
| 2022 | +0.6% | -7.9% |
| 2023 | -2.3% | +4.0% |
| 2024 | +24.5% | +42.5% |
| 2025 | -1.2% | +16.3% |
| 2026 | -0.5% | +6.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AON and CINF good diversifiers for each other?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AON and CINF?
The AON/CINF correlation stands at 0.49 on a 3-year window (1 year: 0.51, 5 years: 0.40), computed from weekly returns as of 2026-08-27.
Is CINF a good diversifier for AON?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.49 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/aon-vs-cinf.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aon-vs-cinf/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AON correlations · CINF correlations
