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RBBN vs RMT: Correlation

Measured on weekly returns over the past three years, Ribbon Communications Inc. (RBBN) and Royce Micro-Cap Trust, Inc. (RMT) carry a correlation of 0.49, a moderate link.

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

Correlation (3Y)
0.49
moderate
Correlation (1Y)
0.39
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
515.7
%² · weekly, annualized

How correlated are RBBN and RMT?

On 3 years of weekly data the RBBN/RMT correlation comes out at 0.49, moderate. Little has changed lately, as the 1-year reading of 0.39 lands near the 3-year figure. The 5-year figure is 0.44, and annualized covariance runs at 515.7 %².

Among the 11 assets we track against RBBN, RMT ranks #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RMT ahead by 98.3 points (-49.9% versus +48.4%). Note the risk asymmetry: RBBN runs 2.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

RBBN vs RMT: side by side

RBBN (Ribbon Communications Inc.)RMT (Royce Micro-Cap Trust, Inc.)
1-year return-49.9%+48.4%
5-year return-69.7%+80.1%
Volatility (ann.)50.8%20.5%
Beta vs S&P 5001.671.09
Max drawdown (3Y)-62.1%-26.4%
Market cap$0.4B$0.8B
P/E (trailing)25.08.5
Dividend yield0.00%5.57%
Sector / categoryUS ListedUS Listed
Lower P/E: RMT 8.5 vs 25.0Higher yield: RMT 5.57% vs 0.00%Smaller drawdown: RMT -26.4% vs -62.1%Higher 5y return: RMT +80.1% vs -69.7%
-51%0%+52%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. RBBN · RMT

Year-by-year returns

YearRBBNRMT
2022-53.9%-16.8%
2023+3.9%+15.8%
2024+43.4%+14.0%
2025-30.8%+16.1%
2026-30.6%+39.6%

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

Are RBBN and RMT good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between RBBN and RMT?

As of 2026-08-27, the correlation of weekly returns between RBBN and RMT is 0.49 over 3 years, 0.39 over 1 year and 0.44 over 5 years.

Is RMT a good diversifier for RBBN?

Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.49 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.

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RBBN vs RMT: 3-year weekly correlation 0.49RBBN vs RMT0.49

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Hubs: RBBN correlations · RMT correlations