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
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 500 | 1.67 | 1.09 |
| Max drawdown (3Y) | -62.1% | -26.4% |
| Market cap | $0.4B | $0.8B |
| P/E (trailing) | 25.0 | 8.5 |
| Dividend yield | 0.00% | 5.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RBBN | RMT |
|---|---|---|
| 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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Hubs: RBBN correlations · RMT correlations