CPSH vs SPY: Correlation
How closely do CPS Technologies Corp. (CPSH) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.09, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPSH and SPY?
Over the past 3 years, CPSH and SPY moved with a correlation of 0.09, which is near zero, meaning they move largely independently. Lately the two have moved closer together, with the 1-year correlation at 0.25 versus 0.09 over 3 years. Over 5 years the correlation is 0.19, and the annualized covariance of weekly returns is 104.0 %².
By 3-year correlation, SPY places #8 of the 18 assets tracked against CPSH. On 12-month performance SPY holds a 5.3-point edge, +15.3% against +20.6%. Risk is not evenly split, since CPSH carries 5.4 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.
CPSH vs SPY: side by side
| CPSH (CPS Technologies Corp.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +15.3% | +20.6% |
| 5-year return | -32.8% | +82.4% |
| Volatility (ann.) | 78.3% | 14.5% |
| Beta vs S&P 500 | 0.50 | 1.00 |
| Max drawdown (3Y) | -69.7% | -18.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | 392.0 | – |
| 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 | CPSH | SPY |
|---|---|---|
| 2022 | -29.0% | -18.2% |
| 2023 | -12.6% | +26.2% |
| 2024 | -31.5% | +24.9% |
| 2025 | +91.9% | +17.7% |
| 2026 | +26.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPSH and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.
FAQ
What is the correlation between CPSH and SPY?
Using weekly returns as of 2026-08-27: 0.09 over 3 years, with 0.25 over the last year and 0.19 over 5 years.
Is SPY a good diversifier for CPSH?
By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.
What does a correlation of 0.09 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: CPSH correlations · SPY correlations
