HII vs LHX: Correlation
How closely do Huntington Ingalls Industries (HII) and L3Harris (LHX) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HII and LHX?
Across a 3-year window, the weekly returns of HII and LHX correlate at 0.56, moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.56 over 3. Stretching to 5 years gives 0.63, with an annualized covariance of 453.5 %².
Few assets follow HII as closely as LHX, which ranks #1 of 28 tracked partners. On 12-month performance HII holds a 13.2-point edge, +9.4% against -3.8%. The rolling one-year correlation moved between 0.41 and 0.80 over the past three years, a moderate range. Risk is not evenly split, since HII carries 1.5 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.
HII vs LHX: side by side
| HII (Huntington Ingalls Industries) | LHX (L3Harris) | |
|---|---|---|
| 1-year return | +9.4% | -3.8% |
| 5-year return | +59.2% | +24.4% |
| Volatility (ann.) | 35.3% | 23.0% |
| Beta vs S&P 500 | 0.84 | 0.51 |
| Max drawdown (3Y) | -45.2% | -30.3% |
| Market cap | $11.7B | $48.8B |
| P/E (trailing) | 17.7 | 26.6 |
| Dividend yield | 1.85% | 1.09% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | HII | LHX |
|---|---|---|
| 2022 | +26.3% | -0.5% |
| 2023 | +15.2% | +3.7% |
| 2024 | -25.7% | +1.9% |
| 2025 | +84.2% | +42.3% |
| 2026 | -11.9% | -10.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HII and LHX good diversifiers for each other?
Only partially. A correlation of 0.56 means HII and LHX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between HII and LHX?
The HII/LHX correlation stands at 0.56 on a 3-year window (1 year: 0.51, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is LHX a good diversifier for HII?
Only partially. A correlation of 0.56 means HII and LHX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
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/hii-vs-lhx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/hii-vs-lhx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HII correlations · LHX correlations
