LDOS vs SAIC: Correlation
Leidos (LDOS) and Science Applications International Corporation (SAIC) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LDOS and SAIC?
Across a 3-year window, the weekly returns of LDOS and SAIC correlate at 0.56, moderate. The link has loosened recently: the 1-year correlation (0.40) runs below the 3-year figure (0.56). Stretching to 5 years gives 0.60, with an annualized covariance of 591.2 %².
Within LDOS's tracked universe of 36 assets, SAIC comes in at #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SAIC outperformed by 32.5 percentage points (-22.9% for LDOS against +9.6% for SAIC).
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.
LDOS vs SAIC: side by side
| LDOS (Leidos) | SAIC (Science Applications International Corporation) | |
|---|---|---|
| 1-year return | -22.9% | +9.6% |
| 5-year return | +52.1% | +64.0% |
| Volatility (ann.) | 31.4% | 33.6% |
| Beta vs S&P 500 | 0.87 | 0.36 |
| Max drawdown (3Y) | -49.5% | -45.7% |
| Market cap | $17.6B | $5.5B |
| P/E (trailing) | 12.8 | 14.5 |
| Dividend yield | 1.23% | 1.16% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | LDOS | SAIC |
|---|---|---|
| 2022 | +20.0% | +34.9% |
| 2023 | +4.5% | +13.6% |
| 2024 | +34.5% | -9.0% |
| 2025 | +26.5% | -8.7% |
| 2026 | -22.0% | +29.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LDOS and SAIC good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between LDOS and SAIC?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.40 over the last year and 0.60 over 5 years.
Is SAIC a good diversifier for LDOS?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
On the −1 to +1 scale, 0.56 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ldos-vs-saic.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ldos-vs-saic/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LDOS correlations · SAIC correlations
