SAIC vs SPY: Correlation
Science Applications International Corporation (SAIC) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.15.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SAIC and SPY?
On 3 years of weekly data the SAIC/SPY correlation comes out at 0.15, weak. The relationship has been stable: the 1-year correlation (0.06) sits close to the 3-year figure. The 5-year figure is 0.26, and annualized covariance runs at 74.5 %².
Among the 13 assets we track against SAIC, SPY ranks #6 by 3-year correlation. The trailing year gives SPY the advantage: +9.6% versus +20.6%, a 11.0-point spread. One caveat on sizing: SAIC is 2.3 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.
SAIC vs SPY: side by side
| SAIC (Science Applications International Corporation) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +9.6% | +20.6% |
| 5-year return | +64.0% | +82.4% |
| Volatility (ann.) | 33.6% | 14.5% |
| Beta vs S&P 500 | 0.36 | 1.00 |
| Max drawdown (3Y) | -45.7% | -18.8% |
| Market cap | $5.5B | – |
| P/E (trailing) | 14.5 | – |
| Dividend yield | 1.16% | 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 | SAIC | SPY |
|---|---|---|
| 2022 | +34.9% | -18.2% |
| 2023 | +13.6% | +26.2% |
| 2024 | -9.0% | +24.9% |
| 2025 | -8.7% | +17.7% |
| 2026 | +29.5% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SAIC and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
FAQ
What is the correlation between SAIC and SPY?
The SAIC/SPY correlation stands at 0.15 on a 3-year window (1 year: 0.06, 5 years: 0.26), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for SAIC?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
What does a correlation of 0.15 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: SAIC correlations · SPY correlations
