QQQ vs SMPL: Correlation
How closely do Invesco QQQ Trust (QQQ) and The Simply Good Foods Company (SMPL) trade together? Their weekly returns over three years give a correlation of 0.13, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SMPL?
On 3 years of weekly data the QQQ/SMPL correlation comes out at 0.13, weak. The relationship has been stable: the 1-year correlation (0.10) sits close to the 3-year figure. The 5-year figure is 0.21, and annualized covariance runs at 97.1 %².
By 3-year correlation, SMPL places #3585 of the 4755 assets tracked against QQQ. The last year tells two different stories: QQQ led by 91.2 percentage points, +26.3% for QQQ against -64.9% for SMPL. One caveat on sizing: SMPL is 1.9 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.
QQQ vs SMPL: side by side
| QQQ (Invesco QQQ Trust) | SMPL (The Simply Good Foods Company) | |
|---|---|---|
| 1-year return | +26.3% | -64.9% |
| 5-year return | +95.4% | -71.3% |
| Volatility (ann.) | 19.6% | 37.3% |
| Beta vs S&P 500 | 1.28 | 0.38 |
| Max drawdown (3Y) | -22.8% | -76.2% |
| Market cap | – | $0.9B |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | SMPL |
|---|---|---|
| 2022 | -32.6% | -8.5% |
| 2023 | +54.9% | +4.1% |
| 2024 | +25.6% | -1.6% |
| 2025 | +20.8% | -48.5% |
| 2026 | +17.7% | -49.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SMPL good diversifiers for each other?
Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between QQQ and SMPL?
Using weekly returns as of 2026-08-27: 0.13 over 3 years, with 0.10 over the last year and 0.21 over 5 years.
Is SMPL a good diversifier for QQQ?
Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.13 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/qqq-vs-smpl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qqq-vs-smpl/)
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Related comparisons
Hubs: QQQ correlations · SMPL correlations
