ACA vs PRM: Correlation
Arcosa, Inc. (ACA) and Perimeter Solutions, SA (PRM) show a moderate relationship: their 3-year correlation of weekly returns is 0.47.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACA and PRM?
On 3 years of weekly data the ACA/PRM correlation comes out at 0.47, moderate. Recent behaviour matches the longer record: 0.50 over 1 year against 0.47 over 3. The 5-year figure is 0.36, and annualized covariance runs at 732.2 %².
By 3-year correlation, PRM places #17 of the 23 assets tracked against ACA. Their 12-month results are close: +47.0% for ACA against +46.9% for PRM. Note the risk asymmetry: PRM runs 1.5 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 PRM: side by side
| ACA (Arcosa, Inc.) | PRM (Perimeter Solutions, SA) | |
|---|---|---|
| 1-year return | +47.0% | +46.9% |
| 5-year return | +186.5% | +166.9% |
| Volatility (ann.) | 31.9% | 49.1% |
| Beta vs S&P 500 | 1.23 | 1.44 |
| Max drawdown (3Y) | -36.6% | -51.3% |
| Market cap | $7.1B | $5.2B |
| P/E (trailing) | 32.5 | – |
| Dividend yield | 0.14% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACA | PRM |
|---|---|---|
| 2022 | +3.5% | -34.2% |
| 2023 | +52.5% | -49.7% |
| 2024 | +17.3% | +177.8% |
| 2025 | +10.2% | +115.4% |
| 2026 | +37.0% | +16.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACA and PRM good diversifiers for each other?
A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ACA and PRM?
The ACA/PRM correlation stands at 0.47 on a 3-year window (1 year: 0.50, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is PRM a good diversifier for ACA?
A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.47 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-prm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aca-vs-prm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACA correlations · PRM correlations
