GPC vs GRBK: Correlation
Measured on weekly returns over the past three years, Genuine Parts Company (GPC) and Green Brick Partners, Inc. (GRBK) carry a correlation of 0.51, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GPC and GRBK?
Across a 3-year window, the weekly returns of GPC and GRBK correlate at 0.51, moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. Stretching to 5 years gives 0.45, with an annualized covariance of 603.1 %².
By 3-year correlation, GRBK places #14 of the 36 assets tracked against GPC. Their 12-month results are close: +1.3% for GPC against +4.5% for GRBK.
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.
GPC vs GRBK: side by side
| GPC (Genuine Parts Company) | GRBK (Green Brick Partners, Inc.) | |
|---|---|---|
| 1-year return | +1.3% | +4.5% |
| 5-year return | +27.6% | +186.8% |
| Volatility (ann.) | 31.9% | 37.3% |
| Beta vs S&P 500 | 0.66 | 1.07 |
| Max drawdown (3Y) | -39.7% | -36.1% |
| Market cap | $18.8B | $3.1B |
| P/E (trailing) | 546.8 | 11.1 |
| Dividend yield | 3.00% | 0.00% |
| Sector / category | Consumer Discretionary | US Listed |
Year-by-year returns
| Year | GPC | GRBK |
|---|---|---|
| 2022 | +26.8% | -20.1% |
| 2023 | -18.1% | +114.4% |
| 2024 | -13.2% | +8.8% |
| 2025 | +8.7% | +10.9% |
| 2026 | +13.4% | +16.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GPC and GRBK good diversifiers for each other?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between GPC and GRBK?
The GPC/GRBK correlation stands at 0.51 on a 3-year window (1 year: 0.52, 5 years: 0.45), computed from weekly returns as of 2026-08-27.
Is GRBK a good diversifier for GPC?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.51 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/gpc-vs-grbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gpc-vs-grbk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: GPC correlations · GRBK correlations
