BRO vs WDC: Correlation
How closely do Brown & Brown (BRO) and Western Digital (WDC) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRO and WDC?
Over the past 3 years, BRO and WDC moved with a correlation of -0.20, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.38 versus -0.20 over 3 years. Over 5 years the correlation is -0.03, and the annualized covariance of weekly returns is -282.6 %².
Within BRO's tracked universe of 35 assets, WDC comes in at #28 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months WDC outperformed by 499.3 percentage points (-25.0% for BRO against +474.3% for WDC). This link changes with the market regime, having swung between -0.38 and 0.27 on a rolling one-year basis. Risk is not evenly split, since WDC carries 2.4 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 WDC: side by side
| BRO (Brown & Brown) | WDC (Western Digital) | |
|---|---|---|
| 1-year return | -25.0% | +474.3% |
| 5-year return | +27.5% | +889.2% |
| Volatility (ann.) | 24.4% | 58.0% |
| Beta vs S&P 500 | 0.39 | 2.15 |
| Max drawdown (3Y) | -55.8% | -49.6% |
| Market cap | $23.9B | $166.6B |
| P/E (trailing) | 23.3 | 17.4 |
| Dividend yield | 0.89% | 0.11% |
| Sector / category | Financials | Information Technology |
Year-by-year returns
| Year | BRO | WDC |
|---|---|---|
| 2022 | -18.4% | -51.6% |
| 2023 | +25.7% | +66.0% |
| 2024 | +44.3% | +13.9% |
| 2025 | -21.4% | +283.7% |
| 2026 | -9.7% | +168.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRO and WDC good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between BRO and WDC?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.38 over the last year and -0.03 over 5 years.
Is WDC a good diversifier for BRO?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
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-wdc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bro-vs-wdc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BRO correlations · WDC correlations
