ASTC vs OKE: Correlation
Measured on weekly returns over the past three years, Astrotech Corporation (ASTC) and Oneok (OKE) carry a correlation of -0.23, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTC and OKE?
Over the past 3 years, ASTC and OKE moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.40) runs below the 3-year figure (-0.23). Over 5 years the correlation is -0.17, and the annualized covariance of weekly returns is -8004.9 %².
Within ASTC's tracked universe of 47 assets, OKE comes in at #32 by 3-year correlation. Twelve-month performance is nearly a tie, at +37.5% for ASTC and +33.0% for OKE. One caveat on sizing: ASTC is 42.1 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 OKE: side by side
| ASTC (Astrotech Corporation) | OKE (Oneok) | |
|---|---|---|
| 1-year return | +37.5% | +33.0% |
| 5-year return | -78.4% | +134.0% |
| Volatility (ann.) | 1206.9% | 28.7% |
| Beta vs S&P 500 | 4.81 | 0.42 |
| Max drawdown (3Y) | -87.5% | -42.2% |
| Market cap | – | $59.7B |
| P/E (trailing) | – | 16.4 |
| Dividend yield | 0.00% | 4.47% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | ASTC | OKE |
|---|---|---|
| 2022 | -51.0% | +18.9% |
| 2023 | -15.0% | +13.2% |
| 2024 | -20.8% | +50.1% |
| 2025 | -48.5% | -22.9% |
| 2026 | +105.8% | +33.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTC and OKE good diversifiers for each other?
Yes. With a correlation of -0.23, ASTC and OKE have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ASTC and OKE?
As of 2026-08-27, the correlation of weekly returns between ASTC and OKE is -0.23 over 3 years, -0.40 over 1 year and -0.17 over 5 years.
Is OKE a good diversifier for ASTC?
Yes. With a correlation of -0.23, ASTC and OKE have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 mean?
On the −1 to +1 scale, -0.23 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-oke.json
Markdown for the live badge, attribution link included:
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Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ASTC correlations · OKE correlations
