POWL vs QQQ: Correlation
Powell Industries, Inc. (POWL) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are POWL and QQQ?
Across a 3-year window, the weekly returns of POWL and QQQ correlate at 0.38, moderate. Recent behaviour matches the longer record: 0.34 over 1 year against 0.38 over 3. Stretching to 5 years gives 0.30, with an annualized covariance of 536.4 %².
Among the 11 assets we track against POWL, QQQ sits near the bottom by co-movement, at rank #7. The last year tells two different stories: POWL led by 84.7 percentage points, +111.0% for POWL against +26.3% for QQQ. Note the risk asymmetry: POWL runs 3.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
POWL vs QQQ: side by side
| POWL (Powell Industries, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +111.0% | +26.3% |
| 5-year return | +2360.3% | +95.4% |
| Volatility (ann.) | 71.5% | 19.6% |
| Beta vs S&P 500 | 1.95 | 1.28 |
| Max drawdown (3Y) | -55.8% | -22.8% |
| Market cap | $7.0B | – |
| P/E (trailing) | 36.8 | – |
| Dividend yield | 0.19% | 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 | POWL | QQQ |
|---|---|---|
| 2022 | +24.3% | -32.6% |
| 2023 | +155.6% | +54.9% |
| 2024 | +152.2% | +25.6% |
| 2025 | +44.5% | +20.8% |
| 2026 | +81.4% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are POWL and QQQ good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between POWL and QQQ?
The POWL/QQQ correlation stands at 0.38 on a 3-year window (1 year: 0.34, 5 years: 0.30), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for POWL?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 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/powl-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/powl-vs-qqq/)
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Related comparisons
Hubs: POWL correlations · QQQ correlations
