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BELFA vs RMT: Correlation

Measured on weekly returns over the past three years, Bel Fuse Inc. (BELFA) and Royce Micro-Cap Trust, Inc. (RMT) carry a correlation of 0.55, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.65
last 12 months
Correlation (5Y)
0.47
long-run
Ann. covariance
545.4
%² · weekly, annualized

How correlated are BELFA and RMT?

Across a 3-year window, the weekly returns of BELFA and RMT correlate at 0.55, moderate. Recent behaviour matches the longer record: 0.65 over 1 year against 0.55 over 3. Stretching to 5 years gives 0.47, with an annualized covariance of 545.4 %².

Within BELFA's tracked universe of 10 assets, RMT comes in at #5 by 3-year correlation. The last year tells two different stories: BELFA led by 32.1 percentage points, +80.5% for BELFA against +48.4% for RMT. Risk is not evenly split, since BELFA 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.

BELFA vs RMT: side by side

BELFA (Bel Fuse Inc.)RMT (Royce Micro-Cap Trust, Inc.)
1-year return+80.5%+48.4%
5-year return+1292.5%+80.1%
Volatility (ann.)48.6%20.5%
Beta vs S&P 5001.301.09
Max drawdown (3Y)-43.4%-26.4%
Market cap$3.1B$0.8B
P/E (trailing)54.38.5
Dividend yield0.11%5.57%
Sector / categoryUS ListedUS Listed
Lower P/E: RMT 8.5 vs 54.3Higher yield: RMT 5.57% vs 0.11%Smaller drawdown: RMT -26.4% vs -43.4%Higher 5y return: BELFA +1292.5% vs +80.1%
-6%0%+126%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BELFA · RMT

Year-by-year returns

YearBELFARMT
2022+117.0%-16.8%
2023+102.0%+15.8%
2024+39.8%+14.0%
2025+69.0%+16.1%
2026+40.6%+39.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BELFA and RMT good diversifiers for each other?

To a limited degree. At 0.55 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 BELFA and RMT?

The BELFA/RMT correlation stands at 0.55 on a 3-year window (1 year: 0.65, 5 years: 0.47), computed from weekly returns as of 2026-08-27.

Is RMT a good diversifier for BELFA?

To a limited degree. At 0.55 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 0.55 mean?

On the −1 to +1 scale, 0.55 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.

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BELFA vs RMT: 3-year weekly correlation 0.55BELFA vs RMT0.55

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Related comparisons

Hubs: BELFA correlations · RMT correlations