RMT vs ROK: Correlation
Royce Micro-Cap Trust, Inc. (RMT) and Rockwell Automation (ROK) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RMT and ROK?
Across a 3-year window, the weekly returns of RMT and ROK correlate at 0.54, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.43 versus 0.54 over 3 years. Stretching to 5 years gives 0.60, with an annualized covariance of 306.7 %².
Within RMT's tracked universe of 136 assets, ROK comes in at #54 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RMT ahead by 22.7 points (+48.4% versus +25.7%).
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.
RMT vs ROK: side by side
| RMT (Royce Micro-Cap Trust, Inc.) | ROK (Rockwell Automation) | |
|---|---|---|
| 1-year return | +48.4% | +25.7% |
| 5-year return | +80.1% | +44.9% |
| Volatility (ann.) | 20.5% | 27.9% |
| Beta vs S&P 500 | 1.09 | 0.97 |
| Max drawdown (3Y) | -26.4% | -29.0% |
| Market cap | $0.8B | $48.2B |
| P/E (trailing) | 8.5 | 40.6 |
| Dividend yield | 5.57% | 1.26% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | RMT | ROK |
|---|---|---|
| 2022 | -16.8% | -24.8% |
| 2023 | +15.8% | +22.6% |
| 2024 | +14.0% | -6.2% |
| 2025 | +16.1% | +38.4% |
| 2026 | +39.6% | +12.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RMT and ROK good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between RMT and ROK?
As of 2026-08-27, the correlation of weekly returns between RMT and ROK is 0.54 over 3 years, 0.43 over 1 year and 0.60 over 5 years.
Is ROK a good diversifier for RMT?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 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/rmt-vs-rok.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/rmt-vs-rok/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RMT correlations · ROK correlations
