PPSI vs QQQ: Correlation
Pioneer Power Solutions, Inc. (PPSI) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPSI and QQQ?
Over the past 3 years, PPSI and QQQ moved with a correlation of 0.45, which is moderate. The relationship has been stable: the 1-year correlation (0.45) sits close to the 3-year figure. Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 601.9 %².
Out of 10 assets tracked against PPSI, QQQ lands near the bottom at #6. Correlation aside, the last 12 months split them widely, with QQQ ahead by 40.8 points (-14.5% versus +26.3%). One caveat on sizing: PPSI is 3.5 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.
PPSI vs QQQ: side by side
| PPSI (Pioneer Power Solutions, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -14.5% | +26.3% |
| 5-year return | -7.2% | +95.4% |
| Volatility (ann.) | 68.8% | 19.6% |
| Beta vs S&P 500 | 2.08 | 1.28 |
| Max drawdown (3Y) | -62.6% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| 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 | PPSI | QQQ |
|---|---|---|
| 2022 | -64.3% | -32.6% |
| 2023 | +153.4% | +54.9% |
| 2024 | -19.4% | +25.6% |
| 2025 | +14.5% | +20.8% |
| 2026 | -37.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPSI and QQQ good diversifiers for each other?
Reasonably. At 0.45, PPSI and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PPSI and QQQ?
The PPSI/QQQ correlation stands at 0.45 on a 3-year window (1 year: 0.45, 5 years: 0.24), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for PPSI?
Reasonably. At 0.45, PPSI and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/ppsi-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ppsi-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PPSI correlations · QQQ correlations
