MDRR vs PSA: Correlation
Medalist Diversified, Inc. (MDRR) and Public Storage (PSA) show a negative relationship: their 3-year correlation of weekly returns is -0.16.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MDRR and PSA?
Across a 3-year window, the weekly returns of MDRR and PSA correlate at -0.16, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.04) runs above the 3-year figure (-0.16). Stretching to 5 years gives 0.02, with an annualized covariance of -105.4 %².
By 3-year correlation, PSA places #12 of the 36 assets tracked against MDRR. On 12-month performance PSA holds a 6.5-point edge, +4.8% against +11.3%.
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.
MDRR vs PSA: side by side
| MDRR (Medalist Diversified, Inc.) | PSA (Public Storage) | |
|---|---|---|
| 1-year return | +4.8% | +11.3% |
| 5-year return | -31.3% | +20.9% |
| Volatility (ann.) | 28.1% | 23.0% |
| Beta vs S&P 500 | -0.02 | 0.59 |
| Max drawdown (3Y) | -29.5% | -25.6% |
| Market cap | – | $58.1B |
| P/E (trailing) | 3.1 | 30.3 |
| Dividend yield | 2.21% | 3.78% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | MDRR | PSA |
|---|---|---|
| 2022 | -37.3% | -20.2% |
| 2023 | -4.0% | +13.6% |
| 2024 | +28.6% | +2.1% |
| 2025 | -5.5% | -9.7% |
| 2026 | -0.7% | +22.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MDRR and PSA good diversifiers for each other?
Yes. With a correlation of -0.16, MDRR and PSA have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between MDRR and PSA?
The MDRR/PSA correlation stands at -0.16 on a 3-year window (1 year: -0.04, 5 years: 0.02), computed from weekly returns as of 2026-08-27.
Is PSA a good diversifier for MDRR?
Yes. With a correlation of -0.16, MDRR and PSA have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.16 mean?
On the −1 to +1 scale, -0.16 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mdrr-vs-psa.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mdrr-vs-psa/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MDRR correlations · PSA correlations
