FIX vs PRIM: Correlation
Measured on weekly returns over the past three years, Comfort Systems USA (FIX) and Primoris Services Corporation (PRIM) carry a correlation of 0.54, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIX and PRIM?
On 3 years of weekly data the FIX/PRIM correlation comes out at 0.54, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.37 versus 0.54 over 3 years. The 5-year figure is 0.54, and annualized covariance runs at 1286.9 %².
By 3-year correlation, PRIM places #17 of the 37 assets tracked against FIX. Correlation aside, the last 12 months split them widely, with FIX ahead by 162.2 points (+128.0% 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.
FIX vs PRIM: side by side
| FIX (Comfort Systems USA) | PRIM (Primoris Services Corporation) | |
|---|---|---|
| 1-year return | +128.0% | -34.2% |
| 5-year return | +2077.9% | +212.4% |
| Volatility (ann.) | 47.4% | 50.6% |
| Beta vs S&P 500 | 1.74 | 1.49 |
| Max drawdown (3Y) | -46.0% | -63.1% |
| Market cap | $56.8B | $4.2B |
| P/E (trailing) | 39.8 | 30.7 |
| Dividend yield | 0.16% | 0.41% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | FIX | PRIM |
|---|---|---|
| 2022 | +17.0% | -7.5% |
| 2023 | +79.6% | +52.6% |
| 2024 | +106.9% | +131.1% |
| 2025 | +120.9% | +63.1% |
| 2026 | +73.3% | -37.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIX and PRIM good diversifiers for each other?
Only partially. A correlation of 0.54 means FIX and PRIM share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between FIX and PRIM?
As of 2026-08-27, the correlation of weekly returns between FIX and PRIM is 0.54 over 3 years, 0.37 over 1 year and 0.54 over 5 years.
Is PRIM a good diversifier for FIX?
Only partially. A correlation of 0.54 means FIX and PRIM share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.54 mean?
A reading of 0.54 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/fix-vs-prim.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fix-vs-prim/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FIX correlations · PRIM correlations
