DUKR vs SPY: Correlation
How closely do DUKE Robotics Corp. (DUKR) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of -0.10, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DUKR and SPY?
Over the past 3 years, DUKR and SPY moved with a correlation of -0.10, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.19) sits close to the 3-year figure. Over 5 years the correlation is -0.06, and the annualized covariance of weekly returns is -1967.9 %².
Out of 10 assets tracked against DUKR, SPY lands near the bottom at #7. The last year tells two different stories: DUKR led by 1743.8 percentage points, +1764.4% for DUKR against +20.6% for SPY. One caveat on sizing: DUKR is 97.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
DUKR vs SPY: side by side
| DUKR (DUKE Robotics Corp.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +1764.4% | +20.6% |
| 5-year return | +1517.6% | +82.4% |
| Volatility (ann.) | 1413.7% | 14.5% |
| Beta vs S&P 500 | -9.42 | 1.00 |
| Max drawdown (3Y) | -74.1% | -18.8% |
| Market cap | – | – |
| 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 | DUKR | SPY |
|---|---|---|
| 2022 | -45.5% | -18.2% |
| 2023 | -16.7% | +26.2% |
| 2024 | +50.0% | +24.9% |
| 2025 | +63.3% | +17.7% |
| 2026 | +2144.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DUKR and SPY good diversifiers for each other?
Yes. With a correlation of -0.10, DUKR and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between DUKR and SPY?
Using weekly returns as of 2026-08-27: -0.10 over 3 years, with -0.19 over the last year and -0.06 over 5 years.
Is SPY a good diversifier for DUKR?
Yes. With a correlation of -0.10, DUKR 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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Related comparisons
Hubs: DUKR correlations · SPY correlations
