ASTC vs SDA: Correlation
How closely do Astrotech Corporation (ASTC) and SunCar Technology Group Inc. (SDA) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTC and SDA?
On 3 years of weekly data the ASTC/SDA correlation comes out at 0.39, moderate. The link has tightened recently: the 1-year correlation (0.56) runs above the 3-year figure (0.39). The 5-year figure is 0.26, and annualized covariance runs at 39971.9 %².
Among the 47 assets we track against ASTC, SDA ranks #13 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ASTC outperformed by 108.2 percentage points (+37.5% for ASTC against -70.7% for SDA). Note the risk asymmetry: ASTC runs 14.4 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.
ASTC vs SDA: side by side
| ASTC (Astrotech Corporation) | SDA (SunCar Technology Group Inc.) | |
|---|---|---|
| 1-year return | +37.5% | -70.7% |
| 5-year return | -78.4% | -92.6% |
| Volatility (ann.) | 1206.9% | 84.1% |
| Beta vs S&P 500 | 4.81 | 0.35 |
| Max drawdown (3Y) | -87.5% | -95.7% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTC | SDA |
|---|---|---|
| 2022 | -51.0% | +4.3% |
| 2023 | -15.0% | -20.3% |
| 2024 | -20.8% | +17.0% |
| 2025 | -48.5% | -79.1% |
| 2026 | +105.8% | -63.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTC and SDA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.39 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ASTC and SDA?
As of 2026-08-27, the correlation of weekly returns between ASTC and SDA is 0.39 over 3 years, 0.56 over 1 year and 0.26 over 5 years.
Is SDA a good diversifier for ASTC?
Yes, to a useful degree: a correlation of 0.39 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.39 mean?
A reading of 0.39 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ASTC correlations · SDA correlations
