PLNT vs PRIM: Correlation
How closely do Planet Fitness, Inc. (PLNT) and Primoris Services Corporation (PRIM) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PLNT and PRIM?
Across a 3-year window, the weekly returns of PLNT and PRIM correlate at 0.37, moderate. The relationship has been stable: the 1-year correlation (0.41) sits close to the 3-year figure. Stretching to 5 years gives 0.40, with an annualized covariance of 729.8 %².
Among the 24 assets we track against PLNT, PRIM ranks #4 by 3-year correlation. The last year tells two different stories: PRIM led by 16.9 percentage points, -51.1% for PLNT against -34.2% for PRIM.
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.
PLNT vs PRIM: side by side
| PLNT (Planet Fitness, Inc.) | PRIM (Primoris Services Corporation) | |
|---|---|---|
| 1-year return | -51.1% | -34.2% |
| 5-year return | -36.6% | +212.4% |
| Volatility (ann.) | 39.0% | 50.6% |
| Beta vs S&P 500 | 0.42 | 1.49 |
| Max drawdown (3Y) | -61.2% | -63.1% |
| Market cap | $3.9B | $4.2B |
| P/E (trailing) | 17.6 | 30.7 |
| Dividend yield | 0.00% | 0.41% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PLNT | PRIM |
|---|---|---|
| 2022 | -13.0% | -7.5% |
| 2023 | -7.4% | +52.6% |
| 2024 | +35.4% | +131.1% |
| 2025 | +9.7% | +63.1% |
| 2026 | -52.3% | -37.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PLNT and PRIM good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between PLNT and PRIM?
The PLNT/PRIM correlation stands at 0.37 on a 3-year window (1 year: 0.41, 5 years: 0.40), computed from weekly returns as of 2026-08-27.
Is PRIM a good diversifier for PLNT?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 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/plnt-vs-prim.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/plnt-vs-prim/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PLNT correlations · PRIM correlations
