CDTG vs QQQ: Correlation
CDT Environmental Technology Investment Holdings Limited (CDTG) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is 0.07.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDTG and QQQ?
On 3 years of weekly data the CDTG/QQQ correlation comes out at 0.07, near zero, meaning they move largely independently. The past 12 months show a tighter link (0.21) than the 3-year average (0.07). The 5-year figure is n/a, and annualized covariance runs at 222.5 %².
Within CDTG's tracked universe of 34 assets, QQQ comes in at #6 by 3-year correlation. The last year tells two different stories: QQQ led by 118.9 percentage points, -92.6% for CDTG against +26.3% for QQQ. One caveat on sizing: CDTG is 8.2 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.
CDTG vs QQQ: side by side
| CDTG (CDT Environmental Technology Investment Holdings Limited) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -92.6% | +26.3% |
| 5-year return | n/a | +95.4% |
| Volatility (ann.) | 160.6% | 19.6% |
| Beta vs S&P 500 | 0.42 | 1.28 |
| Max drawdown (3Y) | -99.2% | -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 | CDTG | QQQ |
|---|---|---|
| 2022 | – | -32.6% |
| 2023 | – | +54.9% |
| 2024 | – | +25.6% |
| 2025 | -92.2% | +20.8% |
| 2026 | -87.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDTG and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.07 means the two rarely move for the same reasons.
FAQ
What is the correlation between CDTG and QQQ?
The CDTG/QQQ correlation stands at 0.07 on a 3-year window (1 year: 0.21, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for CDTG?
By historical standards, yes. A correlation of 0.07 means the two rarely move for the same reasons.
What does a correlation of 0.07 mean?
On the −1 to +1 scale, 0.07 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/cdtg-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cdtg-vs-qqq/)
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Related comparisons
Hubs: CDTG correlations · QQQ correlations