QQQ vs WLFC: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Willis Lease Finance Corporation (WLFC) carry a correlation of 0.26, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and WLFC?
Across a 3-year window, the weekly returns of QQQ and WLFC correlate at 0.26, weak. Recent behaviour matches the longer record: 0.23 over 1 year against 0.26 over 3. Stretching to 5 years gives 0.23, with an annualized covariance of 305.8 %².
Among the 4755 assets we track against QQQ, WLFC ranks #2053 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 89.6 points (+26.3% versus -63.3%). Note the risk asymmetry: WLFC runs 3.1 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.
QQQ vs WLFC: side by side
| QQQ (Invesco QQQ Trust) | WLFC (Willis Lease Finance Corporation) | |
|---|---|---|
| 1-year return | +26.3% | -63.3% |
| 5-year return | +95.4% | +47.2% |
| Volatility (ann.) | 19.6% | 61.3% |
| Beta vs S&P 500 | 1.28 | 1.30 |
| Max drawdown (3Y) | -22.8% | -77.4% |
| Market cap | – | $1.2B |
| P/E (trailing) | – | 13.8 |
| Dividend yield | 0.44% | 0.88% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
On the fund side, QQQ sits in the Large Growth category at Invesco, with $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | WLFC |
|---|---|---|
| 2022 | -32.6% | +56.7% |
| 2023 | +54.9% | -17.2% |
| 2024 | +25.6% | +327.3% |
| 2025 | +20.8% | -34.5% |
| 2026 | +17.7% | -59.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and WLFC good diversifiers for each other?
A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between QQQ and WLFC?
The QQQ/WLFC correlation stands at 0.26 on a 3-year window (1 year: 0.23, 5 years: 0.23), computed from weekly returns as of 2026-08-27.
Is WLFC a good diversifier for QQQ?
A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.26 mean?
On the −1 to +1 scale, 0.26 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: QQQ correlations · WLFC correlations
