FLEX vs LFUS: Correlation
Measured on weekly returns over the past three years, Flex Ltd. (FLEX) and Littelfuse, Inc. (LFUS) carry a correlation of 0.56, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FLEX and LFUS?
Across a 3-year window, the weekly returns of FLEX and LFUS correlate at 0.56, moderate. The relationship has been stable: the 1-year correlation (0.55) sits close to the 3-year figure. Stretching to 5 years gives 0.54, with an annualized covariance of 1002.3 %².
By 3-year correlation, LFUS places #13 of the 45 assets tracked against FLEX. The last year tells two different stories: FLEX led by 52.6 percentage points, +114.6% for FLEX against +62.0% for LFUS.
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.
FLEX vs LFUS: side by side
| FLEX (Flex Ltd.) | LFUS (Littelfuse, Inc.) | |
|---|---|---|
| 1-year return | +114.6% | +62.0% |
| 5-year return | +716.5% | +53.7% |
| Volatility (ann.) | 50.9% | 35.3% |
| Beta vs S&P 500 | 1.70 | 1.44 |
| Max drawdown (3Y) | -40.0% | -45.0% |
| Market cap | $42.6B | $10.7B |
| P/E (trailing) | 43.2 | – |
| Dividend yield | 0.00% | 0.72% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | FLEX | LFUS |
|---|---|---|
| 2022 | +17.1% | -29.4% |
| 2023 | +41.9% | +22.7% |
| 2024 | +67.2% | -11.0% |
| 2025 | +57.4% | +8.6% |
| 2026 | +90.8% | +67.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FLEX and LFUS 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 FLEX and LFUS?
The FLEX/LFUS correlation stands at 0.56 on a 3-year window (1 year: 0.55, 5 years: 0.54), computed from weekly returns as of 2026-08-27.
Is LFUS a good diversifier for FLEX?
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?
A reading of 0.56 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/flex-vs-lfus.json
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Related comparisons
Hubs: FLEX correlations · LFUS correlations
