ASTC vs SUGP: Correlation
Astrotech Corporation (ASTC) and SU Group Holdings Limited - Class A (SUGP) show a negative relationship: their 3-year correlation of weekly returns is -0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTC and SUGP?
Over the past 3 years, ASTC and SUGP moved with a correlation of -0.30, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.58) runs below the 3-year figure (-0.30). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -55471.4 %².
Within ASTC's tracked universe of 47 assets, SUGP comes in at #40 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ASTC ahead by 134.5 points (+37.5% versus -97.0%). Risk is not evenly split, since ASTC carries 8.4 times the volatility of the other side.
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.
ASTC vs SUGP: side by side
| ASTC (Astrotech Corporation) | SUGP (SU Group Holdings Limited - Class A) | |
|---|---|---|
| 1-year return | +37.5% | -97.0% |
| 5-year return | -78.4% | n/a |
| Volatility (ann.) | 1206.9% | 143.4% |
| Beta vs S&P 500 | 4.81 | 1.47 |
| Max drawdown (3Y) | -87.5% | -99.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTC | SUGP |
|---|---|---|
| 2022 | -51.0% | – |
| 2023 | -15.0% | – |
| 2024 | -20.8% | – |
| 2025 | -48.5% | -44.7% |
| 2026 | +105.8% | -97.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTC and SUGP good diversifiers for each other?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
FAQ
What is the correlation between ASTC and SUGP?
The ASTC/SUGP correlation stands at -0.30 on a 3-year window (1 year: -0.58, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SUGP a good diversifier for ASTC?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
What does a correlation of -0.30 mean?
On the −1 to +1 scale, -0.30 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/astc-vs-sugp.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/astc-vs-sugp/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ASTC correlations · SUGP correlations
