LMB vs PRIM: Correlation
Measured on weekly returns over the past three years, Limbach Holdings, Inc. (LMB) and Primoris Services Corporation (PRIM) carry a correlation of 0.52, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LMB and PRIM?
Over the past 3 years, LMB and PRIM moved with a correlation of 0.52, which is moderate. Recent behaviour matches the longer record: 0.57 over 1 year against 0.52 over 3. Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 1610.7 %².
PRIM is one of the assets that tracks LMB most closely: it ranks #1 out of the 12 assets we track against LMB. Correlation aside, the last 12 months split them widely, with PRIM ahead by 32.7 points (-66.9% versus -34.2%).
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.
LMB vs PRIM: side by side
| LMB (Limbach Holdings, Inc.) | PRIM (Primoris Services Corporation) | |
|---|---|---|
| 1-year return | -66.9% | -34.2% |
| 5-year return | +417.7% | +212.4% |
| Volatility (ann.) | 60.8% | 50.6% |
| Beta vs S&P 500 | 1.22 | 1.49 |
| Max drawdown (3Y) | -72.1% | -63.1% |
| Market cap | $0.5B | $4.2B |
| P/E (trailing) | 16.6 | 30.7 |
| Dividend yield | 0.00% | 0.41% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LMB | PRIM |
|---|---|---|
| 2022 | +15.7% | -7.5% |
| 2023 | +336.8% | +52.6% |
| 2024 | +88.1% | +131.1% |
| 2025 | -9.0% | +63.1% |
| 2026 | -46.4% | -37.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LMB and PRIM good diversifiers for each other?
To a limited degree. At 0.52 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 LMB and PRIM?
The LMB/PRIM correlation stands at 0.52 on a 3-year window (1 year: 0.57, 5 years: 0.41), computed from weekly returns as of 2026-08-27.
Is PRIM a good diversifier for LMB?
To a limited degree. At 0.52 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 0.52 mean?
On the −1 to +1 scale, 0.52 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lmb-vs-prim.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/lmb-vs-prim/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LMB correlations · PRIM correlations
