CTOS vs RMT: Correlation
Measured on weekly returns over the past three years, Custom Truck One Source, Inc. (CTOS) and Royce Micro-Cap Trust, Inc. (RMT) carry a correlation of 0.56, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTOS and RMT?
On 3 years of weekly data the CTOS/RMT correlation comes out at 0.56, moderate. Little has changed lately, as the 1-year reading of 0.51 lands near the 3-year figure. The 5-year figure is 0.59, and annualized covariance runs at 624.5 %².
Among the 13 assets we track against CTOS, RMT ranks #4 by 3-year correlation. The trailing year gives CTOS the advantage: +61.3% versus +48.4%, a 12.9-point spread. Risk is not evenly split, since CTOS carries 2.7 times the volatility of the other side.
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.
CTOS vs RMT: side by side
| CTOS (Custom Truck One Source, Inc.) | RMT (Royce Micro-Cap Trust, Inc.) | |
|---|---|---|
| 1-year return | +61.3% | +48.4% |
| 5-year return | +8.1% | +80.1% |
| Volatility (ann.) | 54.4% | 20.5% |
| Beta vs S&P 500 | 1.42 | 1.09 |
| Max drawdown (3Y) | -55.6% | -26.4% |
| Market cap | $2.2B | $0.8B |
| P/E (trailing) | 107.3 | 8.5 |
| Dividend yield | 0.00% | 5.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTOS | RMT |
|---|---|---|
| 2022 | -21.0% | -16.8% |
| 2023 | -2.2% | +15.8% |
| 2024 | -22.2% | +14.0% |
| 2025 | +19.8% | +16.1% |
| 2026 | +67.7% | +39.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTOS and RMT good diversifiers for each other?
To a limited degree. At 0.56 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CTOS and RMT?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.51 over the last year and 0.59 over 5 years.
Is RMT a good diversifier for CTOS?
To a limited degree. At 0.56 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.56 mean?
A reading of 0.56 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ctos-vs-rmt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ctos-vs-rmt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CTOS correlations · RMT correlations
