GCTK vs QQQ: Correlation
How closely do GlucoTrack, Inc. (GCTK) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.11, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GCTK and QQQ?
On 3 years of weekly data the GCTK/QQQ correlation comes out at 0.11, weak. The relationship has been stable: the 1-year correlation (0.15) sits close to the 3-year figure. The 5-year figure is 0.05, and annualized covariance runs at 374.8 %².
Among the 10 assets we track against GCTK, QQQ sits near the bottom by co-movement, at rank #7. The last year tells two different stories: QQQ led by 119.9 percentage points, -93.6% for GCTK against +26.3% for QQQ. One caveat on sizing: GCTK is 8.9 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.
GCTK vs QQQ: side by side
| GCTK (GlucoTrack, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -93.6% | +26.3% |
| 5-year return | -100.0% | +95.4% |
| Volatility (ann.) | 174.3% | 19.6% |
| Beta vs S&P 500 | 1.74 | 1.28 |
| Max drawdown (3Y) | -100.0% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 0.3 | – |
| 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 | GCTK | QQQ |
|---|---|---|
| 2022 | -66.2% | -32.6% |
| 2023 | -81.4% | +54.9% |
| 2024 | -71.5% | +25.6% |
| 2025 | -99.1% | +20.8% |
| 2026 | -92.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GCTK and QQQ good diversifiers for each other?
Yes: at 0.11, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between GCTK and QQQ?
Using weekly returns as of 2026-08-27: 0.11 over 3 years, with 0.15 over the last year and 0.05 over 5 years.
Is QQQ a good diversifier for GCTK?
Yes: at 0.11, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.11 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/gctk-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gctk-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GCTK correlations · QQQ correlations
