AIZ vs AON: Correlation
How closely do Assurant (AIZ) and Aon plc (AON) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIZ and AON?
Across a 3-year window, the weekly returns of AIZ and AON correlate at 0.48, moderate. The relationship has been stable: the 1-year correlation (0.58) sits close to the 3-year figure. Stretching to 5 years gives 0.42, with an annualized covariance of 222.6 %².
Within AIZ's tracked universe of 34 assets, AON comes in at #20 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months AIZ outperformed by 38.7 percentage points (+34.1% for AIZ against -4.6% for AON). The rolling one-year correlation moved between 0.23 and 0.58 over the past three years, a moderate range.
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.
AIZ vs AON: side by side
| AIZ (Assurant) | AON (Aon plc) | |
|---|---|---|
| 1-year return | +34.1% | -4.6% |
| 5-year return | +83.5% | +27.0% |
| Volatility (ann.) | 21.5% | 21.7% |
| Beta vs S&P 500 | 0.60 | 0.34 |
| Max drawdown (3Y) | -20.8% | -24.2% |
| Market cap | $14.1B | $74.2B |
| P/E (trailing) | 13.8 | 19.5 |
| Dividend yield | 1.19% | 0.86% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | AIZ | AON |
|---|---|---|
| 2022 | -18.3% | +0.6% |
| 2023 | +37.5% | -2.3% |
| 2024 | +28.5% | +24.5% |
| 2025 | +14.7% | -1.2% |
| 2026 | +19.4% | -0.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIZ and AON good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AIZ and AON?
As of 2026-08-27, the correlation of weekly returns between AIZ and AON is 0.48 over 3 years, 0.58 over 1 year and 0.42 over 5 years.
Is AON a good diversifier for AIZ?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
A reading of 0.48 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aiz-vs-aon.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aiz-vs-aon/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AIZ correlations · AON correlations
