MAMO vs URI: Correlation
Measured on weekly returns over the past three years, Massimo Group (MAMO) and United Rentals (URI) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MAMO and URI?
Over the past 3 years, MAMO and URI moved with a correlation of -0.18, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.38) than the 3-year average (-0.18). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -617.9 %².
Within MAMO's tracked universe of 23 assets, URI comes in at #9 by 3-year correlation. The last year tells two different stories: URI led by 76.3 percentage points, -66.1% for MAMO against +10.2% for URI. Note the risk asymmetry: MAMO runs 2.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
MAMO vs URI: side by side
| MAMO (Massimo Group) | URI (United Rentals) | |
|---|---|---|
| 1-year return | -66.1% | +10.2% |
| 5-year return | n/a | +204.1% |
| Volatility (ann.) | 87.3% | 39.5% |
| Beta vs S&P 500 | 0.53 | 1.42 |
| Max drawdown (3Y) | -83.6% | -37.0% |
| Market cap | – | $64.6B |
| P/E (trailing) | 10.0 | 25.4 |
| Dividend yield | 0.00% | 0.71% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | MAMO | URI |
|---|---|---|
| 2022 | – | +7.0% |
| 2023 | – | +63.6% |
| 2024 | – | +24.0% |
| 2025 | +54.9% | +15.9% |
| 2026 | -74.9% | +29.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MAMO and URI good diversifiers for each other?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between MAMO and URI?
The MAMO/URI correlation stands at -0.18 on a 3-year window (1 year: -0.38, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is URI a good diversifier for MAMO?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
What does a correlation of -0.18 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/mamo-vs-uri.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mamo-vs-uri/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MAMO correlations · URI correlations
