LFUS vs QQQ: Correlation
Littelfuse, Inc. (LFUS) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LFUS and QQQ?
Over the past 3 years, LFUS and QQQ moved with a correlation of 0.54, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.39 versus 0.54 over 3 years. Over 5 years the correlation is 0.57, and the annualized covariance of weekly returns is 375.6 %².
Among the 25 assets we track against LFUS, QQQ ranks #15 by 3-year correlation. Correlation aside, the last 12 months split them widely, with LFUS ahead by 35.7 points (+62.0% versus +26.3%). One caveat on sizing: LFUS is 1.8 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.
LFUS vs QQQ: side by side
| LFUS (Littelfuse, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +62.0% | +26.3% |
| 5-year return | +53.7% | +95.4% |
| Volatility (ann.) | 35.3% | 19.6% |
| Beta vs S&P 500 | 1.44 | 1.28 |
| Max drawdown (3Y) | -45.0% | -22.8% |
| Market cap | $10.7B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.72% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | LFUS | QQQ |
|---|---|---|
| 2022 | -29.4% | -32.6% |
| 2023 | +22.7% | +54.9% |
| 2024 | -11.0% | +25.6% |
| 2025 | +8.6% | +20.8% |
| 2026 | +67.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LFUS and QQQ good diversifiers for each other?
To a limited degree. At 0.54 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 LFUS and QQQ?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.39 over the last year and 0.57 over 5 years.
Is QQQ a good diversifier for LFUS?
To a limited degree. At 0.54 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 0.54 mean?
On the −1 to +1 scale, 0.54 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/lfus-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/lfus-vs-qqq/)
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Related comparisons
Hubs: LFUS correlations · QQQ correlations
