QQQ vs ZJYL: Correlation
How closely do Invesco QQQ Trust (QQQ) and JIN MEDICAL INTERNATIONAL LTD. - Class A (ZJYL) trade together? Their weekly returns over three years give a correlation of 0.04, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and ZJYL?
Across a 3-year window, the weekly returns of QQQ and ZJYL correlate at 0.04, near zero, meaning they move largely independently. Recent behaviour matches the longer record: 0.07 over 1 year against 0.04 over 3. Stretching to 5 years gives n/a, with an annualized covariance of 205.2 %².
Among the 4755 assets we track against QQQ, ZJYL ranks #4283 by 3-year correlation. The last year tells two different stories: QQQ led by 112.0 percentage points, +26.3% for QQQ against -85.7% for ZJYL. Note the risk asymmetry: ZJYL runs 13.8 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.
QQQ vs ZJYL: side by side
| QQQ (Invesco QQQ Trust) | ZJYL (JIN MEDICAL INTERNATIONAL LTD. - Class A) | |
|---|---|---|
| 1-year return | +26.3% | -85.7% |
| 5-year return | +95.4% | n/a |
| Volatility (ann.) | 19.6% | 270.7% |
| Beta vs S&P 500 | 1.28 | 1.23 |
| Max drawdown (3Y) | -22.8% | -99.3% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | 13.1 |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
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 | QQQ | ZJYL |
|---|---|---|
| 2022 | -32.6% | – |
| 2023 | +54.9% | – |
| 2024 | +25.6% | -93.7% |
| 2025 | +20.8% | -71.7% |
| 2026 | +17.7% | -46.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and ZJYL good diversifiers for each other?
Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between QQQ and ZJYL?
The QQQ/ZJYL correlation stands at 0.04 on a 3-year window (1 year: 0.07, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is ZJYL a good diversifier for QQQ?
Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.04 mean?
A reading of 0.04 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/qqq-vs-zjyl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-zjyl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · ZJYL correlations
