EDTK vs QQQ: Correlation
Measured on weekly returns over the past three years, Skillful Craftsman Education Technology Limited (EDTK) and Invesco QQQ Trust (QQQ) carry a correlation of -0.01, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EDTK and QQQ?
Over the past 3 years, EDTK and QQQ moved with a correlation of -0.01, which is near zero, meaning they move largely independently. Recent behaviour matches the longer record: 0.05 over 1 year against -0.01 over 3. Over 5 years the correlation is -0.02, and the annualized covariance of weekly returns is -7.2 %².
By 3-year correlation, QQQ places #6 of the 16 assets tracked against EDTK. Correlation aside, the last 12 months split them widely, with QQQ ahead by 44.5 points (-18.2% versus +26.3%). Note the risk asymmetry: EDTK runs 2.3 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.
EDTK vs QQQ: side by side
| EDTK (Skillful Craftsman Education Technology Limited) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -18.2% | +26.3% |
| 5-year return | -41.9% | +95.4% |
| Volatility (ann.) | 45.4% | 19.6% |
| Beta vs S&P 500 | -0.09 | 1.28 |
| Max drawdown (3Y) | -35.4% | -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 | EDTK | QQQ |
|---|---|---|
| 2022 | +52.4% | -32.6% |
| 2023 | -12.5% | +54.9% |
| 2024 | -19.8% | +25.6% |
| 2025 | -10.9% | +20.8% |
| 2026 | +0.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EDTK and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of -0.01 means the two rarely move for the same reasons.
FAQ
What is the correlation between EDTK and QQQ?
As of 2026-08-27, the correlation of weekly returns between EDTK and QQQ is -0.01 over 3 years, 0.05 over 1 year and -0.02 over 5 years.
Is QQQ a good diversifier for EDTK?
By historical standards, yes. A correlation of -0.01 means the two rarely move for the same reasons.
What does a correlation of -0.01 mean?
On the −1 to +1 scale, -0.01 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.
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Related comparisons
Hubs: EDTK correlations · QQQ correlations