MQY vs SIDU: Correlation
Blackrock MuniYield Quality Fund, Inc. (MQY) and Sidus Space, Inc. (SIDU) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MQY and SIDU?
On 3 years of weekly data the MQY/SIDU correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.03) runs above the 3-year figure (-0.22). The 5-year figure is -0.26, and annualized covariance runs at -528.0 %².
SIDU is close to the least connected end of MQY's tracked universe, ranking #24 of 27. Correlation aside, the last 12 months split them widely, with SIDU ahead by 79.9 points (+8.0% versus +87.9%). Note the risk asymmetry: SIDU runs 14.9 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.
MQY vs SIDU: side by side
| MQY (Blackrock MuniYield Quality Fund, Inc.) | SIDU (Sidus Space, Inc.) | |
|---|---|---|
| 1-year return | +8.0% | +87.9% |
| 5-year return | -13.1% | -99.8% |
| Volatility (ann.) | 12.8% | 190.7% |
| Beta vs S&P 500 | 0.33 | 1.29 |
| Max drawdown (3Y) | -17.0% | -96.6% |
| Market cap | $0.8B | $0.2B |
| P/E (trailing) | 35.8 | – |
| Dividend yield | 6.25% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MQY | SIDU |
|---|---|---|
| 2022 | -24.2% | -89.6% |
| 2023 | +10.2% | -91.9% |
| 2024 | -0.1% | -44.4% |
| 2025 | +4.3% | -35.9% |
| 2026 | +2.4% | -25.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MQY and SIDU good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between MQY and SIDU?
The MQY/SIDU correlation stands at -0.22 on a 3-year window (1 year: 0.03, 5 years: -0.26), computed from weekly returns as of 2026-08-27.
Is SIDU a good diversifier for MQY?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 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.
Use this data
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Related comparisons
Hubs: MQY correlations · SIDU correlations
