BALL vs BGM: Correlation
Measured on weekly returns over the past three years, Ball Corporation (BALL) and BGM Group Ltd. - Class A (BGM) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BALL and BGM?
Across a 3-year window, the weekly returns of BALL and BGM correlate at -0.18, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.35) runs below the 3-year figure (-0.18). Stretching to 5 years gives -0.05, with an annualized covariance of -489.3 %².
By 3-year correlation, BGM places #35 of the 41 assets tracked against BALL. The last year tells two different stories: BALL led by 119.3 percentage points, +22.9% for BALL against -96.4% for BGM. Note the risk asymmetry: BGM runs 3.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 BGM: side by side
| BALL (Ball Corporation) | BGM (BGM Group Ltd. - Class A) | |
|---|---|---|
| 1-year return | +22.9% | -96.4% |
| 5-year return | -29.3% | -98.5% |
| Volatility (ann.) | 26.9% | 101.6% |
| Beta vs S&P 500 | 0.43 | 0.50 |
| Max drawdown (3Y) | -35.6% | -98.5% |
| Market cap | $16.8B | $0.1B |
| P/E (trailing) | 18.4 | – |
| Dividend yield | 1.25% | 0.00% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | BALL | BGM |
|---|---|---|
| 2022 | -46.2% | -72.1% |
| 2023 | +14.1% | +7.5% |
| 2024 | -3.0% | +119.2% |
| 2025 | -2.4% | -56.3% |
| 2026 | +20.4% | -92.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BALL and BGM good diversifiers for each other?
Yes. With a correlation of -0.18, BALL and BGM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BALL and BGM?
Using weekly returns as of 2026-08-27: -0.18 over 3 years, with -0.35 over the last year and -0.05 over 5 years.
Is BGM a good diversifier for BALL?
Yes. With a correlation of -0.18, BALL and BGM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.18 mean?
A reading of -0.18 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-bgm.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ball-vs-bgm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BALL correlations · BGM correlations
