BRO vs FISV: Correlation
How closely do Brown & Brown (BRO) and Fiserv (FISV) trade together? Their weekly returns over three years give a correlation of 0.45, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRO and FISV?
On 3 years of weekly data the BRO/FISV correlation comes out at 0.45, moderate. The relationship has been stable: the 1-year correlation (0.46) sits close to the 3-year figure. The 5-year figure is 0.48, and annualized covariance runs at 432.2 %².
By 3-year correlation, FISV places #18 of the 35 assets tracked against BRO. Correlation aside, the last 12 months split them widely, with BRO ahead by 36.9 points (-25.0% versus -61.9%). Across three years, the rolling one-year figure varied moderately, from 0.30 to 0.63. One caveat on sizing: FISV is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 FISV: side by side
| BRO (Brown & Brown) | FISV (Fiserv) | |
|---|---|---|
| 1-year return | -25.0% | -61.9% |
| 5-year return | +27.5% | -55.0% |
| Volatility (ann.) | 24.4% | 39.2% |
| Beta vs S&P 500 | 0.39 | 0.58 |
| Max drawdown (3Y) | -55.8% | -80.2% |
| Market cap | $23.9B | $28.0B |
| P/E (trailing) | 23.3 | 10.1 |
| Dividend yield | 0.89% | 0.00% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BRO | FISV |
|---|---|---|
| 2022 | -18.4% | -2.6% |
| 2023 | +25.7% | +31.4% |
| 2024 | +44.3% | +54.6% |
| 2025 | -21.4% | -67.3% |
| 2026 | -9.7% | -21.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRO and FISV good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BRO and FISV?
As of 2026-08-27, the correlation of weekly returns between BRO and FISV is 0.45 over 3 years, 0.46 over 1 year and 0.48 over 5 years.
Is FISV a good diversifier for BRO?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.45 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/bro-vs-fisv.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bro-vs-fisv/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BRO correlations · FISV correlations
