QQQ vs SLP: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Simulations Plus, Inc. (SLP) carry a correlation of 0.34, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SLP?
Across a 3-year window, the weekly returns of QQQ and SLP correlate at 0.34, moderate. The link has tightened recently: the 1-year correlation (0.49) runs above the 3-year figure (0.34). Stretching to 5 years gives 0.44, with an annualized covariance of 376.9 %².
Within QQQ's tracked universe of 4755 assets, SLP comes in at #1145 by 3-year correlation. Their 12-month results are close: +26.3% for QQQ against +28.3% for SLP. Risk is not evenly split, since SLP carries 2.9 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.
QQQ vs SLP: side by side
| QQQ (Invesco QQQ Trust) | SLP (Simulations Plus, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +28.3% |
| 5-year return | +95.4% | -58.0% |
| Volatility (ann.) | 19.6% | 55.9% |
| Beta vs S&P 500 | 1.28 | 1.34 |
| Max drawdown (3Y) | -22.8% | -77.7% |
| Market cap | – | $0.4B |
| P/E (trailing) | – | 46.0 |
| Dividend yield | 0.44% | 0.00% |
| 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 | SLP |
|---|---|---|
| 2022 | -32.6% | -22.3% |
| 2023 | +54.9% | +23.1% |
| 2024 | +25.6% | -37.4% |
| 2025 | +20.8% | -34.6% |
| 2026 | +17.7% | +1.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SLP good diversifiers for each other?
Reasonably. At 0.34, QQQ and SLP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between QQQ and SLP?
The QQQ/SLP correlation stands at 0.34 on a 3-year window (1 year: 0.49, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is SLP a good diversifier for QQQ?
Reasonably. At 0.34, QQQ and SLP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 mean?
On the −1 to +1 scale, 0.34 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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Related comparisons
Hubs: QQQ correlations · SLP correlations