BELFB vs RMT: Correlation
Measured on weekly returns over the past three years, Bel Fuse Inc. (BELFB) 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 BELFB and RMT?
Over the past 3 years, BELFB and RMT moved with a correlation of 0.56, which is moderate. The relationship has been stable: the 1-year correlation (0.63) sits close to the 3-year figure. Over 5 years the correlation is 0.53, and the annualized covariance of weekly returns is 566.8 %².
Few assets follow BELFB as closely as RMT, which ranks #3 of 14 tracked partners. The last year tells two different stories: BELFB led by 35.3 percentage points, +83.7% for BELFB against +48.4% for RMT. Risk is not evenly split, since BELFB carries 2.4 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.
BELFB vs RMT: side by side
| BELFB (Bel Fuse Inc.) | RMT (Royce Micro-Cap Trust, Inc.) | |
|---|---|---|
| 1-year return | +83.7% | +48.4% |
| 5-year return | +1827.0% | +80.1% |
| Volatility (ann.) | 49.1% | 20.5% |
| Beta vs S&P 500 | 1.30 | 1.09 |
| Max drawdown (3Y) | -33.4% | -26.4% |
| Market cap | $3.7B | $0.8B |
| P/E (trailing) | 65.2 | 8.5 |
| Dividend yield | 0.09% | 5.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BELFB | RMT |
|---|---|---|
| 2022 | +158.7% | -16.8% |
| 2023 | +104.2% | +15.8% |
| 2024 | +24.0% | +14.0% |
| 2025 | +106.3% | +16.1% |
| 2026 | +52.0% | +39.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BELFB and RMT good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between BELFB and RMT?
As of 2026-08-27, the correlation of weekly returns between BELFB and RMT is 0.56 over 3 years, 0.63 over 1 year and 0.53 over 5 years.
Is RMT a good diversifier for BELFB?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
On the −1 to +1 scale, 0.56 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/belfb-vs-rmt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/belfb-vs-rmt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BELFB correlations · RMT correlations
