PLXS vs QQQ: Correlation
How closely do Plexus Corp. (PLXS) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PLXS and QQQ?
Across a 3-year window, the weekly returns of PLXS and QQQ correlate at 0.42, moderate. The past 12 months show a weaker link (0.31) than the 3-year average (0.42). Stretching to 5 years gives 0.42, with an annualized covariance of 274.6 %².
QQQ is close to the least connected end of PLXS's tracked universe, ranking #10 of 13. The last year tells two different stories: PLXS led by 50.8 percentage points, +77.1% for PLXS against +26.3% for QQQ. Risk is not evenly split, since PLXS carries 1.7 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.
PLXS vs QQQ: side by side
| PLXS (Plexus Corp.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +77.1% | +26.3% |
| 5-year return | +165.9% | +95.4% |
| Volatility (ann.) | 33.3% | 19.6% |
| Beta vs S&P 500 | 1.03 | 1.28 |
| Max drawdown (3Y) | -34.9% | -22.8% |
| Market cap | $6.5B | – |
| P/E (trailing) | 36.1 | – |
| Dividend yield | 0.00% | 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 | PLXS | QQQ |
|---|---|---|
| 2022 | +7.3% | -32.6% |
| 2023 | +5.1% | +54.9% |
| 2024 | +44.7% | +25.6% |
| 2025 | -6.1% | +20.8% |
| 2026 | +67.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PLXS and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PLXS and QQQ?
The PLXS/QQQ correlation stands at 0.42 on a 3-year window (1 year: 0.31, 5 years: 0.42), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for PLXS?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 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.
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Hubs: PLXS correlations · QQQ correlations