AEHR vs QQQ: Correlation
Aehr Test Systems (AEHR) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEHR and QQQ?
Over the past 3 years, AEHR and QQQ moved with a correlation of 0.35, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.53 versus 0.35 over 3 years. Over 5 years the correlation is 0.43, and the annualized covariance of weekly returns is 672.4 %².
Among the 11 assets we track against AEHR, QQQ sits near the bottom by co-movement, at rank #7. The last year tells two different stories: AEHR led by 246.0 percentage points, +272.3% for AEHR against +26.3% for QQQ. Risk is not evenly split, since AEHR carries 5.0 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.
AEHR vs QQQ: side by side
| AEHR (Aehr Test Systems) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +272.3% | +26.3% |
| 5-year return | +1209.1% | +95.4% |
| Volatility (ann.) | 97.6% | 19.6% |
| Beta vs S&P 500 | 2.33 | 1.28 |
| Max drawdown (3Y) | -87.2% | -22.8% |
| Market cap | $3.0B | – |
| 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 | AEHR | QQQ |
|---|---|---|
| 2022 | -16.9% | -32.6% |
| 2023 | +32.0% | +54.9% |
| 2024 | -37.3% | +25.6% |
| 2025 | +21.4% | +20.8% |
| 2026 | +348.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEHR and QQQ good diversifiers for each other?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AEHR and QQQ?
Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.53 over the last year and 0.43 over 5 years.
Is QQQ a good diversifier for AEHR?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.35 mean?
A reading of 0.35 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/aehr-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aehr-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AEHR correlations · QQQ correlations
