KMX vs PRMB: Correlation
Measured on weekly returns over the past three years, CarMax Inc (KMX) and Primo Brands Corporation (PRMB) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KMX and PRMB?
Across a 3-year window, the weekly returns of KMX and PRMB correlate at 0.40, moderate. The relationship has been stable: the 1-year correlation (0.46) sits close to the 3-year figure. Stretching to 5 years gives 0.39, with an annualized covariance of 665.3 %².
Among the 11 assets we track against KMX, PRMB ranks #6 by 3-year correlation. The trailing year gives KMX the advantage: +0.9% versus -9.9%, a 10.8-point spread.
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.
KMX vs PRMB: side by side
| KMX (CarMax Inc) | PRMB (Primo Brands Corporation) | |
|---|---|---|
| 1-year return | +0.9% | -9.9% |
| 5-year return | -50.5% | +43.1% |
| Volatility (ann.) | 41.9% | 39.7% |
| Beta vs S&P 500 | 0.94 | 0.62 |
| Max drawdown (3Y) | -65.4% | -59.1% |
| Market cap | – | $8.1B |
| P/E (trailing) | 38.9 | 77.4 |
| Dividend yield | 0.00% | 1.91% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KMX | PRMB |
|---|---|---|
| 2022 | -53.2% | -10.1% |
| 2023 | +26.0% | -0.9% |
| 2024 | +6.5% | +114.6% |
| 2025 | -52.7% | -46.0% |
| 2026 | +62.1% | +39.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KMX and PRMB good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between KMX and PRMB?
The KMX/PRMB correlation stands at 0.40 on a 3-year window (1 year: 0.46, 5 years: 0.39), computed from weekly returns as of 2026-08-27.
Is PRMB a good diversifier for KMX?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 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.
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Related comparisons
Hubs: KMX correlations · PRMB correlations
