ICFI vs LDOS: Correlation
How closely do ICF International, Inc. (ICFI) and Leidos (LDOS) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ICFI and LDOS?
On 3 years of weekly data the ICFI/LDOS correlation comes out at 0.53, moderate. Little has changed lately, as the 1-year reading of 0.56 lands near the 3-year figure. The 5-year figure is 0.47, and annualized covariance runs at 625.9 %².
By 3-year correlation, LDOS places #4 of the 13 assets tracked against ICFI. The trailing year gives ICFI the advantage: -9.4% versus -22.9%, a 13.5-point spread.
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.
ICFI vs LDOS: side by side
| ICFI (ICF International, Inc.) | LDOS (Leidos) | |
|---|---|---|
| 1-year return | -9.4% | -22.9% |
| 5-year return | -2.1% | +52.1% |
| Volatility (ann.) | 37.8% | 31.4% |
| Beta vs S&P 500 | 0.60 | 0.87 |
| Max drawdown (3Y) | -65.6% | -49.5% |
| Market cap | $1.6B | $17.6B |
| P/E (trailing) | 18.4 | 12.8 |
| Dividend yield | 0.63% | 1.23% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ICFI | LDOS |
|---|---|---|
| 2022 | -2.9% | +20.0% |
| 2023 | +36.0% | +4.5% |
| 2024 | -10.8% | +34.5% |
| 2025 | -28.0% | +26.5% |
| 2026 | +5.7% | -22.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ICFI and LDOS good diversifiers for each other?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ICFI and LDOS?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.56 over the last year and 0.47 over 5 years.
Is LDOS a good diversifier for ICFI?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.53 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/icfi-vs-ldos.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/icfi-vs-ldos/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ICFI correlations · LDOS correlations
