ACGL vs RNR: Correlation
How closely do Arch Capital Group (ACGL) and RenaissanceRe Holdings Ltd. (RNR) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACGL and RNR?
Over the past 3 years, ACGL and RNR moved with a correlation of 0.62, which is strong. Little has changed lately, as the 1-year reading of 0.70 lands near the 3-year figure. Over 5 years the correlation is 0.59, and the annualized covariance of weekly returns is 281.5 %².
Among the 36 assets we track against ACGL, RNR ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RNR ahead by 28.1 points (+7.7% versus +35.8%).
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.
ACGL vs RNR: side by side
| ACGL (Arch Capital Group) | RNR (RenaissanceRe Holdings Ltd.) | |
|---|---|---|
| 1-year return | +7.7% | +35.8% |
| 5-year return | +151.8% | +120.0% |
| Volatility (ann.) | 21.5% | 21.1% |
| Beta vs S&P 500 | 0.28 | 0.09 |
| Max drawdown (3Y) | -22.4% | -23.1% |
| Market cap | $33.7B | $13.7B |
| P/E (trailing) | 7.9 | 5.7 |
| Dividend yield | 0.00% | 0.49% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | ACGL | RNR |
|---|---|---|
| 2022 | +41.2% | +9.9% |
| 2023 | +18.3% | +7.2% |
| 2024 | +30.8% | +27.8% |
| 2025 | +3.9% | +13.6% |
| 2026 | +3.0% | +17.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACGL and RNR good diversifiers for each other?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ACGL and RNR?
The ACGL/RNR correlation stands at 0.62 on a 3-year window (1 year: 0.70, 5 years: 0.59), computed from weekly returns as of 2026-08-27.
Is RNR a good diversifier for ACGL?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.62 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/acgl-vs-rnr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acgl-vs-rnr/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACGL correlations · RNR correlations
