ACA vs ALLT: Correlation
Measured on weekly returns over the past three years, Arcosa, Inc. (ACA) and Allot Ltd. (ALLT) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACA and ALLT?
Over the past 3 years, ACA and ALLT moved with a correlation of 0.41, which is moderate. The link has tightened recently: the 1-year correlation (0.51) runs above the 3-year figure (0.41). Over 5 years the correlation is 0.33, and the annualized covariance of weekly returns is 803.9 %².
Among the 23 assets we track against ACA, ALLT sits near the bottom by co-movement, at rank #19. Their recent paths diverged sharply: over the last 12 months ACA outperformed by 44.5 percentage points (+47.0% for ACA against +2.5% for ALLT). Note the risk asymmetry: ALLT runs 1.9 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.
ACA vs ALLT: side by side
| ACA (Arcosa, Inc.) | ALLT (Allot Ltd.) | |
|---|---|---|
| 1-year return | +47.0% | +2.5% |
| 5-year return | +186.5% | -52.5% |
| Volatility (ann.) | 31.9% | 61.6% |
| Beta vs S&P 500 | 1.23 | 1.39 |
| Max drawdown (3Y) | -36.6% | -49.1% |
| Market cap | $7.1B | $0.4B |
| P/E (trailing) | 32.5 | 34.5 |
| Dividend yield | 0.14% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACA | ALLT |
|---|---|---|
| 2022 | +3.5% | -71.0% |
| 2023 | +52.5% | -52.0% |
| 2024 | +17.3% | +260.6% |
| 2025 | +10.2% | +65.2% |
| 2026 | +37.0% | -19.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACA and ALLT good diversifiers for each other?
Reasonably. At 0.41, ACA and ALLT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACA and ALLT?
The ACA/ALLT correlation stands at 0.41 on a 3-year window (1 year: 0.51, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is ALLT a good diversifier for ACA?
Reasonably. At 0.41, ACA and ALLT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aca-vs-allt.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aca-vs-allt/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACA correlations · ALLT correlations
