BRO vs ERIE: Correlation
How closely do Brown & Brown (BRO) and Erie Indemnity (ERIE) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRO and ERIE?
Over the past 3 years, BRO and ERIE moved with a correlation of 0.43, which is moderate. The past 12 months show a tighter link (0.58) than the 3-year average (0.43). Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 315.3 %².
Among the 35 assets we track against BRO, ERIE ranks #21 by 3-year correlation. Neither side won the trailing year by much: -25.0% against -24.5%. This link changes with the market regime, having swung between -0.07 and 0.59 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.
BRO vs ERIE: side by side
| BRO (Brown & Brown) | ERIE (Erie Indemnity) | |
|---|---|---|
| 1-year return | -25.0% | -24.5% |
| 5-year return | +27.5% | +61.3% |
| Volatility (ann.) | 24.4% | 30.3% |
| Beta vs S&P 500 | 0.39 | 0.37 |
| Max drawdown (3Y) | -55.8% | -60.9% |
| Market cap | $23.9B | $13.6B |
| P/E (trailing) | 23.3 | 23.4 |
| Dividend yield | 0.89% | 2.24% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BRO | ERIE |
|---|---|---|
| 2022 | -18.4% | +32.0% |
| 2023 | +25.7% | +37.3% |
| 2024 | +44.3% | +24.7% |
| 2025 | -21.4% | -29.4% |
| 2026 | -9.7% | -8.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRO and ERIE good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BRO and ERIE?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.58 over the last year and 0.35 over 5 years.
Is ERIE a good diversifier for BRO?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 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/bro-vs-erie.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bro-vs-erie/)
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Related comparisons
Hubs: BRO correlations · ERIE correlations
