QQQ vs SFBC: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Sound Financial Bancorp, Inc. (SFBC) carry a correlation of 0.03, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SFBC?
Across a 3-year window, the weekly returns of QQQ and SFBC correlate at 0.03, near zero, meaning they move largely independently. The link has loosened recently: the 1-year correlation (-0.13) runs below the 3-year figure (0.03). Stretching to 5 years gives 0.02, with an annualized covariance of 14.6 %².
Within QQQ's tracked universe of 4755 assets, SFBC comes in at #4338 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 25.9 percentage points (+26.3% for QQQ against +0.4% for SFBC).
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 SFBC: side by side
| QQQ (Invesco QQQ Trust) | SFBC (Sound Financial Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +0.4% |
| 5-year return | +95.4% | +19.0% |
| Volatility (ann.) | 19.6% | 22.4% |
| Beta vs S&P 500 | 1.28 | 0.17 |
| Max drawdown (3Y) | -22.8% | -24.7% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | 15.2 |
| Dividend yield | 0.44% | 1.69% |
| 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 | SFBC |
|---|---|---|
| 2022 | -32.6% | -9.0% |
| 2023 | +54.9% | +1.3% |
| 2024 | +25.6% | +37.4% |
| 2025 | +20.8% | -15.8% |
| 2026 | +17.7% | +10.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SFBC good diversifiers for each other?
Yes. With a correlation of 0.03, QQQ and SFBC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between QQQ and SFBC?
Using weekly returns as of 2026-08-27: 0.03 over 3 years, with -0.13 over the last year and 0.02 over 5 years.
Is SFBC a good diversifier for QQQ?
Yes. With a correlation of 0.03, QQQ and SFBC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.03 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
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[](https://www.pairbook.io/pair/qqq-vs-sfbc/)
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Related comparisons
Hubs: QQQ correlations · SFBC correlations
