PRIM vs PWR: Correlation
Primoris Services Corporation (PRIM) and Quanta Services (PWR) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRIM and PWR?
Across a 3-year window, the weekly returns of PRIM and PWR correlate at 0.54, moderate. The past 12 months show a weaker link (0.35) than the 3-year average (0.54). Stretching to 5 years gives 0.53, with an annualized covariance of 924.6 %².
Among the 20 assets we track against PRIM, PWR ranks #5 by 3-year correlation. The last year tells two different stories: PWR led by 97.3 percentage points, -34.2% for PRIM against +63.1% for PWR.
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.
PRIM vs PWR: side by side
| PRIM (Primoris Services Corporation) | PWR (Quanta Services) | |
|---|---|---|
| 1-year return | -34.2% | +63.1% |
| 5-year return | +212.4% | +506.1% |
| Volatility (ann.) | 50.6% | 33.9% |
| Beta vs S&P 500 | 1.49 | 1.29 |
| Max drawdown (3Y) | -63.1% | -33.9% |
| Market cap | $4.2B | $93.5B |
| P/E (trailing) | 30.7 | 70.4 |
| Dividend yield | 0.41% | 0.07% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | PRIM | PWR |
|---|---|---|
| 2022 | -7.5% | +24.6% |
| 2023 | +52.6% | +51.7% |
| 2024 | +131.1% | +46.6% |
| 2025 | +63.1% | +33.7% |
| 2026 | -37.9% | +47.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRIM and PWR good diversifiers for each other?
To a limited degree. At 0.54 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 PRIM and PWR?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.35 over the last year and 0.53 over 5 years.
Is PWR a good diversifier for PRIM?
To a limited degree. At 0.54 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 0.54 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/prim-vs-pwr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/prim-vs-pwr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PRIM correlations · PWR correlations
