GRBK vs JOE: Correlation
Measured on weekly returns over the past three years, Green Brick Partners, Inc. (GRBK) and St. Joe Company (The) (JOE) carry a correlation of 0.65, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GRBK and JOE?
Over the past 3 years, GRBK and JOE moved with a correlation of 0.65, which is strong. The link has loosened recently: the 1-year correlation (0.45) runs below the 3-year figure (0.65). Over 5 years the correlation is 0.53, and the annualized covariance of weekly returns is 683.7 %².
By 3-year correlation, JOE places #14 of the 27 assets tracked against GRBK. The last year tells two different stories: JOE led by 30.6 percentage points, +4.5% for GRBK against +35.1% for JOE.
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.
GRBK vs JOE: side by side
| GRBK (Green Brick Partners, Inc.) | JOE (St. Joe Company (The)) | |
|---|---|---|
| 1-year return | +4.5% | +35.1% |
| 5-year return | +186.8% | +53.5% |
| Volatility (ann.) | 37.3% | 28.2% |
| Beta vs S&P 500 | 1.07 | 0.84 |
| Max drawdown (3Y) | -36.1% | -35.4% |
| Market cap | $3.1B | $3.9B |
| P/E (trailing) | 11.1 | 32.5 |
| Dividend yield | 0.00% | 0.90% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GRBK | JOE |
|---|---|---|
| 2022 | -20.1% | -25.1% |
| 2023 | +114.4% | +57.1% |
| 2024 | +8.8% | -24.6% |
| 2025 | +10.9% | +33.7% |
| 2026 | +16.2% | +15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GRBK and JOE good diversifiers for each other?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GRBK and JOE?
The GRBK/JOE correlation stands at 0.65 on a 3-year window (1 year: 0.45, 5 years: 0.53), computed from weekly returns as of 2026-08-27.
Is JOE a good diversifier for GRBK?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.65 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/grbk-vs-joe.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/grbk-vs-joe/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GRBK correlations · JOE correlations