ACA vs NWPX: Correlation
How closely do Arcosa, Inc. (ACA) and NWPX Infrastructure, Inc. (NWPX) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACA and NWPX?
Over the past 3 years, ACA and NWPX moved with a correlation of 0.59, which is moderate. Recent behaviour matches the longer record: 0.50 over 1 year against 0.59 over 3. Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 708.8 %².
Among the 23 assets we track against ACA, NWPX ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with NWPX ahead by 67.1 points (+47.0% versus +114.1%).
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 NWPX: side by side
| ACA (Arcosa, Inc.) | NWPX (NWPX Infrastructure, Inc.) | |
|---|---|---|
| 1-year return | +47.0% | +114.1% |
| 5-year return | +186.5% | +340.7% |
| Volatility (ann.) | 31.9% | 37.8% |
| Beta vs S&P 500 | 1.23 | 0.95 |
| Max drawdown (3Y) | -36.6% | -35.4% |
| Market cap | $7.1B | $1.1B |
| P/E (trailing) | 32.5 | 23.1 |
| Dividend yield | 0.14% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACA | NWPX |
|---|---|---|
| 2022 | +3.5% | +6.0% |
| 2023 | +52.5% | -10.2% |
| 2024 | +17.3% | +59.5% |
| 2025 | +10.2% | +29.5% |
| 2026 | +37.0% | +82.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACA and NWPX good diversifiers for each other?
To a limited degree. At 0.59 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ACA and NWPX?
Using weekly returns as of 2026-08-27: 0.59 over 3 years, with 0.50 over the last year and 0.48 over 5 years.
Is NWPX a good diversifier for ACA?
To a limited degree. At 0.59 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.59 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/aca-vs-nwpx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aca-vs-nwpx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACA correlations · NWPX correlations
