ASTC vs SNOW: Correlation
Astrotech Corporation (ASTC) and Snowflake Inc. (SNOW) show a moderate relationship: their 3-year correlation of weekly returns is 0.50.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTC and SNOW?
Across a 3-year window, the weekly returns of ASTC and SNOW correlate at 0.50, moderate. The link has tightened recently: the 1-year correlation (0.71) runs above the 3-year figure (0.50). Stretching to 5 years gives 0.37, with an annualized covariance of 33555.4 %².
Within ASTC's tracked universe of 47 assets, SNOW comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SNOW ahead by 26.7 points (+37.5% versus +64.2%). One caveat on sizing: ASTC is 21.8 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.
ASTC vs SNOW: side by side
| ASTC (Astrotech Corporation) | SNOW (Snowflake Inc.) | |
|---|---|---|
| 1-year return | +37.5% | +64.2% |
| 5-year return | -78.4% | +10.5% |
| Volatility (ann.) | 1206.9% | 55.4% |
| Beta vs S&P 500 | 4.81 | 1.41 |
| Max drawdown (3Y) | -87.5% | -56.3% |
| Market cap | – | $114.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTC | SNOW |
|---|---|---|
| 2022 | -51.0% | -57.6% |
| 2023 | -15.0% | +38.6% |
| 2024 | -20.8% | -22.4% |
| 2025 | -48.5% | +42.1% |
| 2026 | +105.8% | +50.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTC and SNOW good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ASTC and SNOW?
The ASTC/SNOW correlation stands at 0.50 on a 3-year window (1 year: 0.71, 5 years: 0.37), computed from weekly returns as of 2026-08-27.
Is SNOW a good diversifier for ASTC?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
On the −1 to +1 scale, 0.50 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-snow.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/astc-vs-snow/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ASTC correlations · SNOW correlations
