DMB vs SBI: Correlation
How closely do BNY Mellon Municipal Bond Infrastructure Fund, Inc. (DMB) and Western Asset Intermediate Muni Fund Inc (SBI) trade together? Their weekly returns over three years give a correlation of 0.82, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DMB and SBI?
On 3 years of weekly data the DMB/SBI correlation comes out at 0.82, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.86) sits close to the 3-year figure. The 5-year figure is 0.62, and annualized covariance runs at 80.7 %².
Within DMB's tracked universe of 21 assets, SBI comes in at #12 by 3-year correlation. Twelve-month performance is nearly a tie, at +11.0% for DMB and +6.3% for SBI. Risk is not evenly split, since DMB carries 1.6 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.
DMB vs SBI: side by side
| DMB (BNY Mellon Municipal Bond Infrastructure Fund, Inc.) | SBI (Western Asset Intermediate Muni Fund Inc) | |
|---|---|---|
| 1-year return | +11.0% | +6.3% |
| 5-year return | -15.7% | +0.9% |
| Volatility (ann.) | 12.4% | 7.9% |
| Beta vs S&P 500 | 0.26 | 0.19 |
| Max drawdown (3Y) | -14.7% | -7.9% |
| Market cap | $0.2B | $0.1B |
| P/E (trailing) | 34.1 | 12.5 |
| Dividend yield | 4.32% | 3.31% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DMB | SBI |
|---|---|---|
| 2022 | -23.5% | -18.4% |
| 2023 | +2.4% | +5.4% |
| 2024 | +3.9% | +6.8% |
| 2025 | +10.7% | +5.9% |
| 2026 | -0.5% | +3.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DMB and SBI good diversifiers for each other?
No: a correlation of 0.82 means DMB and SBI tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between DMB and SBI?
As of 2026-08-27, the correlation of weekly returns between DMB and SBI is 0.82 over 3 years, 0.86 over 1 year and 0.62 over 5 years.
Is SBI a good diversifier for DMB?
No: a correlation of 0.82 means DMB and SBI tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.82 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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Related comparisons
Hubs: DMB correlations · SBI correlations
