CSX vs MDRR: Correlation
CSX Corporation (CSX) and Medalist Diversified, Inc. (MDRR) 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 CSX and MDRR?
Across a 3-year window, the weekly returns of CSX and MDRR correlate at -0.20, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.18 over 1 year against -0.20 over 3. Stretching to 5 years gives -0.14, with an annualized covariance of -111.9 %².
MDRR is close to the least connected end of CSX's tracked universe, ranking #27 of 30. The last year tells two different stories: CSX led by 55.8 percentage points, +60.6% for CSX against +4.8% for MDRR.
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.
CSX vs MDRR: side by side
| CSX (CSX Corporation) | MDRR (Medalist Diversified, Inc.) | |
|---|---|---|
| 1-year return | +60.6% | +4.8% |
| 5-year return | +66.2% | -31.3% |
| Volatility (ann.) | 19.7% | 28.1% |
| Beta vs S&P 500 | 0.62 | -0.02 |
| Max drawdown (3Y) | -29.4% | -29.5% |
| Market cap | $95.5B | – |
| P/E (trailing) | 30.1 | 3.1 |
| Dividend yield | 1.04% | 2.21% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | CSX | MDRR |
|---|---|---|
| 2022 | -16.6% | -37.3% |
| 2023 | +13.5% | -4.0% |
| 2024 | -5.6% | +28.6% |
| 2025 | +14.1% | -5.5% |
| 2026 | +43.1% | -0.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSX and MDRR good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CSX and MDRR?
The CSX/MDRR correlation stands at -0.20 on a 3-year window (1 year: -0.18, 5 years: -0.14), computed from weekly returns as of 2026-08-27.
Is MDRR a good diversifier for CSX?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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/csx-vs-mdrr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/csx-vs-mdrr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CSX correlations · MDRR correlations
