BLDR vs GRBK: Correlation
Builders FirstSource (BLDR) and Green Brick Partners, Inc. (GRBK) show a strong relationship: their 3-year correlation of weekly returns is 0.75.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLDR and GRBK?
Over the past 3 years, BLDR and GRBK moved with a correlation of 0.75, which is strong. Little has changed lately, as the 1-year reading of 0.72 lands near the 3-year figure. Over 5 years the correlation is 0.74, and the annualized covariance of weekly returns is 1276.8 %².
Within BLDR's tracked universe of 48 assets, GRBK comes in at #6 by 3-year correlation. The last year tells two different stories: GRBK led by 57.1 percentage points, -52.6% for BLDR 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.
BLDR vs GRBK: side by side
| BLDR (Builders FirstSource) | GRBK (Green Brick Partners, Inc.) | |
|---|---|---|
| 1-year return | -52.6% | +4.5% |
| 5-year return | +25.8% | +186.8% |
| Volatility (ann.) | 45.6% | 37.3% |
| Beta vs S&P 500 | 1.36 | 1.07 |
| Max drawdown (3Y) | -68.7% | -36.1% |
| Market cap | $7.2B | $3.1B |
| P/E (trailing) | 74.7 | 11.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | BLDR | GRBK |
|---|---|---|
| 2022 | -24.3% | -20.1% |
| 2023 | +157.3% | +114.4% |
| 2024 | -14.4% | +8.8% |
| 2025 | -28.0% | +10.9% |
| 2026 | -34.7% | +16.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLDR and GRBK good diversifiers for each other?
Somewhat, no more. With 0.75 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between BLDR and GRBK?
As of 2026-08-27, the correlation of weekly returns between BLDR and GRBK is 0.75 over 3 years, 0.72 over 1 year and 0.74 over 5 years.
Is GRBK a good diversifier for BLDR?
Somewhat, no more. With 0.75 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.75 mean?
A reading of 0.75 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bldr-vs-grbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bldr-vs-grbk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BLDR correlations · GRBK correlations
