RMTI vs VHI: Correlation
Rockwell Medical, Inc. (RMTI) and Valhi, Inc. (VHI) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RMTI and VHI?
Across a 3-year window, the weekly returns of RMTI and VHI correlate at 0.38, moderate. The past 12 months show a weaker link (0.15) than the 3-year average (0.38). Stretching to 5 years gives 0.20, with an annualized covariance of 1800.6 %².
Among the 11 assets we track against RMTI, VHI ranks #5 by 3-year correlation. The last year tells two different stories: VHI led by 54.4 percentage points, -47.3% for RMTI against +7.1% for VHI.
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.
RMTI vs VHI: side by side
| RMTI (Rockwell Medical, Inc.) | VHI (Valhi, Inc.) | |
|---|---|---|
| 1-year return | -47.3% | +7.1% |
| 5-year return | -89.3% | -14.8% |
| Volatility (ann.) | 79.9% | 59.4% |
| Beta vs S&P 500 | 1.63 | 1.08 |
| Max drawdown (3Y) | -88.8% | -71.3% |
| Market cap | – | $0.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.74% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RMTI | VHI |
|---|---|---|
| 2022 | -77.6% | -22.7% |
| 2023 | +87.1% | -29.4% |
| 2024 | +7.9% | +56.5% |
| 2025 | -59.3% | -47.4% |
| 2026 | -6.6% | +49.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RMTI and VHI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between RMTI and VHI?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.15 over the last year and 0.20 over 5 years.
Is VHI a good diversifier for RMTI?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 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: RMTI correlations · VHI correlations
