MD vs PRMB: Correlation
Pediatrix Medical Group, Inc. (MD) and Primo Brands Corporation (PRMB) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MD and PRMB?
Across a 3-year window, the weekly returns of MD and PRMB correlate at -0.20, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.24) sits close to the 3-year figure. Stretching to 5 years gives 0.02, with an annualized covariance of -362.6 %².
Among the 11 assets we track against MD, PRMB sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with MD ahead by 65.9 points (+56.0% versus -9.9%).
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.
MD vs PRMB: side by side
| MD (Pediatrix Medical Group, Inc.) | PRMB (Primo Brands Corporation) | |
|---|---|---|
| 1-year return | +56.0% | -9.9% |
| 5-year return | -23.8% | +43.1% |
| Volatility (ann.) | 46.2% | 39.7% |
| Beta vs S&P 500 | 0.33 | 0.62 |
| Max drawdown (3Y) | -52.8% | -59.1% |
| Market cap | $2.2B | $8.1B |
| P/E (trailing) | 12.9 | 77.4 |
| Dividend yield | 0.00% | 1.91% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MD | PRMB |
|---|---|---|
| 2022 | -45.4% | -10.1% |
| 2023 | -37.4% | -0.9% |
| 2024 | +41.1% | +114.6% |
| 2025 | +63.0% | -46.0% |
| 2026 | +25.3% | +39.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MD and PRMB good diversifiers for each other?
Yes. With a correlation of -0.20, MD and PRMB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between MD and PRMB?
As of 2026-08-27, the correlation of weekly returns between MD and PRMB is -0.20 over 3 years, -0.24 over 1 year and 0.02 over 5 years.
Is PRMB a good diversifier for MD?
Yes. With a correlation of -0.20, MD and PRMB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.20 mean?
A reading of -0.20 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Hubs: MD correlations · PRMB correlations