BRO vs STX: Correlation
Brown & Brown (BRO) and Seagate Technology (STX) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRO and STX?
Across a 3-year window, the weekly returns of BRO and STX correlate at -0.20, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.49) runs below the 3-year figure (-0.20). Stretching to 5 years gives 0.01, with an annualized covariance of -248.6 %².
Within BRO's tracked universe of 35 assets, STX comes in at #27 by 3-year correlation. The last year tells two different stories: STX led by 435.8 percentage points, -25.0% for BRO against +410.8% for STX. This link changes with the market regime, having swung between -0.49 and 0.41 on a rolling one-year basis. Risk is not evenly split, since STX carries 2.1 times the volatility of the other side.
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 STX: side by side
| BRO (Brown & Brown) | STX (Seagate Technology) | |
|---|---|---|
| 1-year return | -25.0% | +410.8% |
| 5-year return | +27.5% | +1032.5% |
| Volatility (ann.) | 24.4% | 51.3% |
| Beta vs S&P 500 | 0.39 | 1.97 |
| Max drawdown (3Y) | -55.8% | -40.0% |
| Market cap | $23.9B | $192.0B |
| P/E (trailing) | 23.3 | 61.0 |
| Dividend yield | 0.89% | 0.35% |
| Sector / category | Financials | Information Technology |
Year-by-year returns
| Year | BRO | STX |
|---|---|---|
| 2022 | -18.4% | -51.4% |
| 2023 | +25.7% | +69.1% |
| 2024 | +44.3% | +4.1% |
| 2025 | -21.4% | +225.3% |
| 2026 | -9.7% | +208.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRO and STX good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BRO and STX?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.49 over the last year and 0.01 over 5 years.
Is STX a good diversifier for BRO?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 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-stx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bro-vs-stx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BRO correlations · STX correlations