PRIM vs USPH: Correlation
Measured on weekly returns over the past three years, Primoris Services Corporation (PRIM) and U.S. Physical Therapy, Inc. (USPH) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRIM and USPH?
On 3 years of weekly data the PRIM/USPH correlation comes out at 0.53, moderate. Recent behaviour matches the longer record: 0.48 over 1 year against 0.53 over 3. The 5-year figure is 0.47, and annualized covariance runs at 905.6 %².
Among the 20 assets we track against PRIM, USPH ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months USPH outperformed by 30.1 percentage points (-34.2% for PRIM against -4.1% for USPH). Risk is not evenly split, since PRIM carries 1.5 times the volatility of the other side.
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 USPH: side by side
| PRIM (Primoris Services Corporation) | USPH (U.S. Physical Therapy, Inc.) | |
|---|---|---|
| 1-year return | -34.2% | -4.1% |
| 5-year return | +212.4% | -25.3% |
| Volatility (ann.) | 50.6% | 33.7% |
| Beta vs S&P 500 | 1.49 | 0.84 |
| Max drawdown (3Y) | -63.1% | -45.4% |
| Market cap | $4.2B | $1.2B |
| P/E (trailing) | 30.7 | 465.3 |
| Dividend yield | 0.41% | 2.33% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PRIM | USPH |
|---|---|---|
| 2022 | -7.5% | -13.7% |
| 2023 | +52.6% | +17.0% |
| 2024 | +131.1% | -3.0% |
| 2025 | +63.1% | -9.9% |
| 2026 | -37.9% | +3.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRIM and USPH good diversifiers for each other?
To a limited degree. At 0.53 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 USPH?
As of 2026-08-27, the correlation of weekly returns between PRIM and USPH is 0.53 over 3 years, 0.48 over 1 year and 0.47 over 5 years.
Is USPH a good diversifier for PRIM?
To a limited degree. At 0.53 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 0.53 mean?
On the −1 to +1 scale, 0.53 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/prim-vs-usph.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/prim-vs-usph/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PRIM correlations · USPH correlations
