NCTY vs QQQ: Correlation
How closely do The9 Limited - American Depository Shares (NCTY) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.16, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NCTY and QQQ?
Across a 3-year window, the weekly returns of NCTY and QQQ correlate at 0.16, weak. The relationship has been stable: the 1-year correlation (0.18) sits close to the 3-year figure. Stretching to 5 years gives 0.25, with an annualized covariance of 293.6 %².
QQQ is close to the least connected end of NCTY's tracked universe, ranking #6 of 10. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 72.0 percentage points (-45.7% for NCTY against +26.3% for QQQ). Risk is not evenly split, since NCTY carries 4.9 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.
NCTY vs QQQ: side by side
| NCTY (The9 Limited - American Depository Shares) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -45.7% | +26.3% |
| 5-year return | -97.0% | +95.4% |
| Volatility (ann.) | 95.1% | 19.6% |
| Beta vs S&P 500 | 0.96 | 1.28 |
| Max drawdown (3Y) | -83.1% | -22.8% |
| Market cap | $0.1B | – |
| 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 | NCTY | QQQ |
|---|---|---|
| 2022 | -91.5% | -32.6% |
| 2023 | +31.4% | +54.9% |
| 2024 | +94.1% | +25.6% |
| 2025 | -56.2% | +20.8% |
| 2026 | -26.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NCTY and QQQ good diversifiers for each other?
Yes. With a correlation of 0.16, NCTY and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between NCTY and QQQ?
As of 2026-08-27, the correlation of weekly returns between NCTY and QQQ is 0.16 over 3 years, 0.18 over 1 year and 0.25 over 5 years.
Is QQQ a good diversifier for NCTY?
Yes. With a correlation of 0.16, NCTY and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.16 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ncty-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ncty-vs-qqq/)
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Related comparisons
Hubs: NCTY correlations · QQQ correlations
