DSM vs SPY: Correlation
BNY Mellon Strategic Municipal Bond Fund, Inc. (DSM) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DSM and SPY?
Across a 3-year window, the weekly returns of DSM and SPY correlate at 0.34, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.46 versus 0.34 over 3 years. Stretching to 5 years gives 0.45, with an annualized covariance of 60.5 %².
Out of 18 assets tracked against DSM, SPY lands near the bottom at #14. Over the last 12 months SPY came out ahead by 12.0 percentage points (+8.6% against +20.6%).
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.
DSM vs SPY: side by side
| DSM (BNY Mellon Strategic Municipal Bond Fund, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +8.6% | +20.6% |
| 5-year return | -13.5% | +82.4% |
| Volatility (ann.) | 12.4% | 14.5% |
| Beta vs S&P 500 | 0.29 | 1.00 |
| Max drawdown (3Y) | -13.4% | -18.8% |
| Market cap | $0.3B | – |
| P/E (trailing) | 9.2 | – |
| Dividend yield | 4.94% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | DSM | SPY |
|---|---|---|
| 2022 | -27.0% | -18.2% |
| 2023 | +3.2% | +26.2% |
| 2024 | +5.5% | +24.9% |
| 2025 | +10.9% | +17.7% |
| 2026 | -2.4% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DSM and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between DSM and SPY?
As of 2026-08-27, the correlation of weekly returns between DSM and SPY is 0.34 over 3 years, 0.46 over 1 year and 0.45 over 5 years.
Is SPY a good diversifier for DSM?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.34 mean?
A reading of 0.34 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: DSM correlations · SPY correlations
