ASTC vs DAIO: Correlation
Astrotech Corporation (ASTC) and Data I/O Corporation (DAIO) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTC and DAIO?
Over the past 3 years, ASTC and DAIO moved with a correlation of 0.44, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.61 versus 0.44 over 3 years. Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 23143.9 %².
By 3-year correlation, DAIO places #9 of the 47 assets tracked against ASTC. The last year tells two different stories: ASTC led by 38.2 percentage points, +37.5% for ASTC against -0.7% for DAIO. Risk is not evenly split, since ASTC carries 27.7 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 DAIO: side by side
| ASTC (Astrotech Corporation) | DAIO (Data I/O Corporation) | |
|---|---|---|
| 1-year return | +37.5% | -0.7% |
| 5-year return | -78.4% | -48.4% |
| Volatility (ann.) | 1206.9% | 43.6% |
| Beta vs S&P 500 | 4.81 | 0.74 |
| Max drawdown (3Y) | -87.5% | -52.9% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTC | DAIO |
|---|---|---|
| 2022 | -51.0% | -13.9% |
| 2023 | -15.0% | -25.9% |
| 2024 | -20.8% | -5.8% |
| 2025 | -48.5% | +14.4% |
| 2026 | +105.8% | -6.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTC and DAIO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ASTC and DAIO?
The ASTC/DAIO correlation stands at 0.44 on a 3-year window (1 year: 0.61, 5 years: 0.32), computed from weekly returns as of 2026-08-27.
Is DAIO a good diversifier for ASTC?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 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/astc-vs-daio.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/astc-vs-daio/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ASTC correlations · DAIO correlations
