IDT vs QQQ: Correlation
How closely do IDT Corporation (IDT) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.25, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IDT and QQQ?
Across a 3-year window, the weekly returns of IDT and QQQ correlate at 0.25, weak. The link has loosened recently: the 1-year correlation (0.14) runs below the 3-year figure (0.25). Stretching to 5 years gives 0.33, with an annualized covariance of 163.7 %².
Among the 14 assets we track against IDT, QQQ ranks #8 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 17.2 points (+9.1% versus +26.3%). Risk is not evenly split, since IDT carries 1.7 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.
IDT vs QQQ: side by side
| IDT (IDT Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +9.1% | +26.3% |
| 5-year return | +58.8% | +95.4% |
| Volatility (ann.) | 34.0% | 19.6% |
| Beta vs S&P 500 | 0.70 | 1.28 |
| Max drawdown (3Y) | -33.2% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 21.2 | – |
| Dividend yield | 0.36% | 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 | IDT | QQQ |
|---|---|---|
| 2022 | -36.2% | -32.6% |
| 2023 | +21.0% | +54.9% |
| 2024 | +40.1% | +25.6% |
| 2025 | +8.2% | +20.8% |
| 2026 | +34.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IDT and QQQ good diversifiers for each other?
A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between IDT and QQQ?
The IDT/QQQ correlation stands at 0.25 on a 3-year window (1 year: 0.14, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for IDT?
A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.25 mean?
On the −1 to +1 scale, 0.25 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
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Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/idt-vs-qqq/)
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Related comparisons
Hubs: IDT correlations · QQQ correlations
