BALL vs GRBK: Correlation
Ball Corporation (BALL) and Green Brick Partners, Inc. (GRBK) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BALL and GRBK?
Across a 3-year window, the weekly returns of BALL and GRBK correlate at 0.54, moderate. Recent behaviour matches the longer record: 0.56 over 1 year against 0.54 over 3. Stretching to 5 years gives 0.43, with an annualized covariance of 539.5 %².
Within BALL's tracked universe of 41 assets, GRBK comes in at #10 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BALL outperformed by 18.4 percentage points (+22.9% for BALL 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.
BALL vs GRBK: side by side
| BALL (Ball Corporation) | GRBK (Green Brick Partners, Inc.) | |
|---|---|---|
| 1-year return | +22.9% | +4.5% |
| 5-year return | -29.3% | +186.8% |
| Volatility (ann.) | 26.9% | 37.3% |
| Beta vs S&P 500 | 0.43 | 1.07 |
| Max drawdown (3Y) | -35.6% | -36.1% |
| Market cap | $16.8B | $3.1B |
| P/E (trailing) | 18.4 | 11.1 |
| Dividend yield | 1.25% | 0.00% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | BALL | GRBK |
|---|---|---|
| 2022 | -46.2% | -20.1% |
| 2023 | +14.1% | +114.4% |
| 2024 | -3.0% | +8.8% |
| 2025 | -2.4% | +10.9% |
| 2026 | +20.4% | +16.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BALL and GRBK good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between BALL and GRBK?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.56 over the last year and 0.43 over 5 years.
Is GRBK a good diversifier for BALL?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
A reading of 0.54 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/ball-vs-grbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ball-vs-grbk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BALL correlations · GRBK correlations
