CFBK vs QQQ: Correlation
How closely do CF Bankshares Inc. (CFBK) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.26, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CFBK and QQQ?
Across a 3-year window, the weekly returns of CFBK and QQQ correlate at 0.26, weak. Lately the two have drifted apart, with the 1-year correlation at -0.06 versus 0.26 over 3 years. Stretching to 5 years gives 0.26, with an annualized covariance of 154.1 %².
QQQ is close to the least connected end of CFBK's tracked universe, ranking #9 of 12. Correlation aside, the last 12 months split them widely, with CFBK ahead by 16.2 points (+42.5% versus +26.3%). One caveat on sizing: CFBK is 1.5 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.
CFBK vs QQQ: side by side
| CFBK (CF Bankshares Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +42.5% | +26.3% |
| 5-year return | +92.0% | +95.4% |
| Volatility (ann.) | 30.3% | 19.6% |
| Beta vs S&P 500 | 0.75 | 1.28 |
| Max drawdown (3Y) | -33.5% | -22.8% |
| Market cap | $0.2B | – |
| P/E (trailing) | 11.9 | – |
| Dividend yield | 0.98% | 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 | CFBK | QQQ |
|---|---|---|
| 2022 | +4.1% | -32.6% |
| 2023 | -6.7% | +54.9% |
| 2024 | +32.6% | +25.6% |
| 2025 | -1.0% | +20.8% |
| 2026 | +39.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CFBK and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CFBK and QQQ?
As of 2026-08-27, the correlation of weekly returns between CFBK and QQQ is 0.26 over 3 years, -0.06 over 1 year and 0.26 over 5 years.
Is QQQ a good diversifier for CFBK?
Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.26 mean?
A reading of 0.26 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cfbk-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cfbk-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CFBK correlations · QQQ correlations