SIDU vs SPY: Correlation
How closely do Sidus Space, Inc. (SIDU) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.10, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SIDU and SPY?
Over the past 3 years, SIDU and SPY moved with a correlation of 0.10, which is weak. The relationship has been stable: the 1-year correlation (0.17) sits close to the 3-year figure. Over 5 years the correlation is -0.01, and the annualized covariance of weekly returns is 269.0 %².
Among the 11 assets we track against SIDU, SPY ranks #6 by 3-year correlation. The last year tells two different stories: SIDU led by 67.3 percentage points, +87.9% for SIDU against +20.6% for SPY. Note the risk asymmetry: SIDU runs 13.2 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.
SIDU vs SPY: side by side
| SIDU (Sidus Space, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +87.9% | +20.6% |
| 5-year return | -99.8% | +82.4% |
| Volatility (ann.) | 190.7% | 14.5% |
| Beta vs S&P 500 | 1.29 | 1.00 |
| Max drawdown (3Y) | -96.6% | -18.8% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | SIDU | SPY |
|---|---|---|
| 2022 | -89.6% | -18.2% |
| 2023 | -91.9% | +26.2% |
| 2024 | -44.4% | +24.9% |
| 2025 | -35.9% | +17.7% |
| 2026 | -25.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SIDU and SPY good diversifiers for each other?
Yes. With a correlation of 0.10, SIDU and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between SIDU and SPY?
As of 2026-08-27, the correlation of weekly returns between SIDU and SPY is 0.10 over 3 years, 0.17 over 1 year and -0.01 over 5 years.
Is SPY a good diversifier for SIDU?
Yes. With a correlation of 0.10, SIDU and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.10 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: SIDU correlations · SPY correlations
