CALX vs RMT: Correlation
How closely do Calix, Inc (CALX) and Royce Micro-Cap Trust, Inc. (RMT) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CALX and RMT?
Over the past 3 years, CALX and RMT moved with a correlation of 0.44, which is moderate. The relationship has been stable: the 1-year correlation (0.38) sits close to the 3-year figure. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 382.2 %².
Within CALX's tracked universe of 10 assets, RMT comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RMT ahead by 84.9 points (-36.5% versus +48.4%). Risk is not evenly split, since CALX carries 2.1 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.
CALX vs RMT: side by side
| CALX (Calix, Inc) | RMT (Royce Micro-Cap Trust, Inc.) | |
|---|---|---|
| 1-year return | -36.5% | +48.4% |
| 5-year return | -20.0% | +80.1% |
| Volatility (ann.) | 42.1% | 20.5% |
| Beta vs S&P 500 | 1.14 | 1.09 |
| Max drawdown (3Y) | -48.6% | -26.4% |
| Market cap | $2.4B | $0.8B |
| P/E (trailing) | 50.3 | 8.5 |
| Dividend yield | 0.00% | 5.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CALX | RMT |
|---|---|---|
| 2022 | -14.4% | -16.8% |
| 2023 | -36.2% | +15.8% |
| 2024 | -20.2% | +14.0% |
| 2025 | +51.8% | +16.1% |
| 2026 | -28.8% | +39.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CALX and RMT good diversifiers for each other?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CALX and RMT?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.38 over the last year and 0.45 over 5 years.
Is RMT a good diversifier for CALX?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.44 mean?
On the −1 to +1 scale, 0.44 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/calx-vs-rmt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/calx-vs-rmt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CALX correlations · RMT correlations
