GRBK vs PHM: Correlation
Green Brick Partners, Inc. (GRBK) and PulteGroup (PHM) show a very strong relationship: their 3-year correlation of weekly returns is 0.88.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GRBK and PHM?
Across a 3-year window, the weekly returns of GRBK and PHM correlate at 0.88, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.91 lands near the 3-year figure. Stretching to 5 years gives 0.79, with an annualized covariance of 1055.2 %².
PHM is one of the assets that tracks GRBK most closely: it ranks #1 out of the 27 assets we track against GRBK. Over the last 12 months GRBK came out ahead by 7.0 percentage points (+4.5% against -2.5%).
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 PHM: side by side
| GRBK (Green Brick Partners, Inc.) | PHM (PulteGroup) | |
|---|---|---|
| 1-year return | +4.5% | -2.5% |
| 5-year return | +186.8% | +145.5% |
| Volatility (ann.) | 37.3% | 32.2% |
| Beta vs S&P 500 | 1.07 | 0.82 |
| Max drawdown (3Y) | -36.1% | -38.0% |
| Market cap | $3.1B | – |
| P/E (trailing) | 11.1 | 13.3 |
| Dividend yield | 0.00% | 0.77% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | GRBK | PHM |
|---|---|---|
| 2022 | -20.1% | -19.2% |
| 2023 | +114.4% | +128.8% |
| 2024 | +8.8% | +6.2% |
| 2025 | +10.9% | +8.5% |
| 2026 | +16.2% | +8.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GRBK and PHM good diversifiers for each other?
No: a correlation of 0.88 means GRBK and PHM tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between GRBK and PHM?
The GRBK/PHM correlation stands at 0.88 on a 3-year window (1 year: 0.91, 5 years: 0.79), computed from weekly returns as of 2026-08-27.
Is PHM a good diversifier for GRBK?
No: a correlation of 0.88 means GRBK and PHM tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.88 mean?
On the −1 to +1 scale, 0.88 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/grbk-vs-phm.json
Embed this badge (it refreshes with the data), with attribution:
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Related comparisons
Hubs: GRBK correlations · PHM correlations
