INTZ vs QQQ: Correlation
How closely do Intrusion Inc. (INTZ) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.14, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INTZ and QQQ?
On 3 years of weekly data the INTZ/QQQ correlation comes out at 0.14, weak. The link has tightened recently: the 1-year correlation (0.31) runs above the 3-year figure (0.14). The 5-year figure is 0.10, and annualized covariance runs at 748.4 %².
QQQ is close to the least connected end of INTZ's tracked universe, ranking #27 of 31. The last year tells two different stories: QQQ led by 82.3 percentage points, -56.0% for INTZ against +26.3% for QQQ. One caveat on sizing: INTZ is 14.4 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.
INTZ vs QQQ: side by side
| INTZ (Intrusion Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -56.0% | +26.3% |
| 5-year return | -99.1% | +95.4% |
| Volatility (ann.) | 281.6% | 19.6% |
| Beta vs S&P 500 | 2.38 | 1.28 |
| Max drawdown (3Y) | -97.9% | -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 | INTZ | QQQ |
|---|---|---|
| 2022 | -8.1% | -32.6% |
| 2023 | -92.1% | +54.9% |
| 2024 | -38.4% | +25.6% |
| 2025 | -62.7% | +20.8% |
| 2026 | -29.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INTZ and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.14 means the two rarely move for the same reasons.
FAQ
What is the correlation between INTZ and QQQ?
As of 2026-08-27, the correlation of weekly returns between INTZ and QQQ is 0.14 over 3 years, 0.31 over 1 year and 0.10 over 5 years.
Is QQQ a good diversifier for INTZ?
By historical standards, yes. A correlation of 0.14 means the two rarely move for the same reasons.
What does a correlation of 0.14 mean?
A reading of 0.14 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: INTZ correlations · QQQ correlations
