ASTC vs WMB: Correlation
Measured on weekly returns over the past three years, Astrotech Corporation (ASTC) and Williams Companies (WMB) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTC and WMB?
Over the past 3 years, ASTC and WMB moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.37) runs below the 3-year figure (-0.24). Over 5 years the correlation is -0.17, and the annualized covariance of weekly returns is -6841.0 %².
By 3-year correlation, WMB places #33 of the 47 assets tracked against ASTC. Twelve-month performance is nearly a tie, at +37.5% for ASTC and +33.1% for WMB. One caveat on sizing: ASTC is 50.3 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 WMB: side by side
| ASTC (Astrotech Corporation) | WMB (Williams Companies) | |
|---|---|---|
| 1-year return | +37.5% | +33.1% |
| 5-year return | -78.4% | +279.9% |
| Volatility (ann.) | 1206.9% | 24.0% |
| Beta vs S&P 500 | 4.81 | 0.34 |
| Max drawdown (3Y) | -87.5% | -12.4% |
| Market cap | – | $90.7B |
| P/E (trailing) | – | 29.7 |
| Dividend yield | 0.00% | 2.76% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | ASTC | WMB |
|---|---|---|
| 2022 | -51.0% | +32.8% |
| 2023 | -15.0% | +11.9% |
| 2024 | -20.8% | +62.3% |
| 2025 | -48.5% | +14.9% |
| 2026 | +105.8% | +25.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTC and WMB good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between ASTC and WMB?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.37 over the last year and -0.17 over 5 years.
Is WMB a good diversifier for ASTC?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 mean?
A reading of -0.24 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 · WMB correlations
