SGU vs SSM: Correlation
Measured on weekly returns over the past three years, Star Group L.P. (SGU) and Sono Group N.V. (SSM) carry a correlation of -0.33, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SGU and SSM?
Across a 3-year window, the weekly returns of SGU and SSM correlate at -0.33, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.10) runs above the 3-year figure (-0.33). Stretching to 5 years gives -0.23, with an annualized covariance of -9024.7 %².
Out of 11 assets tracked against SGU, SSM lands near the bottom at #11. The last year tells two different stories: SGU led by 65.1 percentage points, +14.6% for SGU against -50.5% for SSM. One caveat on sizing: SSM is 53.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
SGU vs SSM: side by side
| SGU (Star Group L.P.) | SSM (Sono Group N.V.) | |
|---|---|---|
| 1-year return | +14.6% | -50.5% |
| 5-year return | +58.3% | -99.9% |
| Volatility (ann.) | 22.6% | 1204.8% |
| Beta vs S&P 500 | 0.18 | 0.56 |
| Max drawdown (3Y) | -27.1% | -99.4% |
| Market cap | $0.4B | – |
| P/E (trailing) | 5.6 | – |
| Dividend yield | 6.09% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SGU | SSM |
|---|---|---|
| 2022 | +18.9% | -89.8% |
| 2023 | +0.7% | -93.9% |
| 2024 | +6.3% | -16.7% |
| 2025 | +9.0% | +86.7% |
| 2026 | +11.5% | -61.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SGU and SSM good diversifiers for each other?
Yes. With a correlation of -0.33, SGU and SSM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between SGU and SSM?
Using weekly returns as of 2026-08-27: -0.33 over 3 years, with 0.10 over the last year and -0.23 over 5 years.
Is SSM a good diversifier for SGU?
Yes. With a correlation of -0.33, SGU and SSM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.33 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/sgu-vs-ssm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/sgu-vs-ssm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SGU correlations · SSM correlations