MAAS vs SGU: Correlation
How closely do Maase Inc. - Class A (MAAS) and Star Group L.P. (SGU) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MAAS and SGU?
Over the past 3 years, MAAS and SGU moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.14 over 1 year against -0.23 over 3. Over 5 years the correlation is -0.19, and the annualized covariance of weekly returns is -664.6 %².
Out of 13 assets tracked against MAAS, SGU lands near the bottom at #11. Correlation aside, the last 12 months split them widely, with MAAS ahead by 293.8 points (+308.4% versus +14.6%). Note the risk asymmetry: MAAS runs 5.6 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.
MAAS vs SGU: side by side
| MAAS (Maase Inc. - Class A) | SGU (Star Group L.P.) | |
|---|---|---|
| 1-year return | +308.4% | +14.6% |
| 5-year return | -94.5% | +58.3% |
| Volatility (ann.) | 126.1% | 22.6% |
| Beta vs S&P 500 | 1.00 | 0.18 |
| Max drawdown (3Y) | -99.6% | -27.1% |
| Market cap | $7.3B | $0.4B |
| P/E (trailing) | – | 5.6 |
| Dividend yield | 0.00% | 6.09% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MAAS | SGU |
|---|---|---|
| 2022 | +14.9% | +18.9% |
| 2023 | -19.2% | +0.7% |
| 2024 | -94.6% | +6.3% |
| 2025 | -73.1% | +9.0% |
| 2026 | +206.3% | +11.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MAAS and SGU good diversifiers for each other?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between MAAS and SGU?
Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.14 over the last year and -0.19 over 5 years.
Is SGU a good diversifier for MAAS?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.23 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/maas-vs-sgu.json
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Related comparisons
Hubs: MAAS correlations · SGU correlations