BCBP vs QQQ: Correlation
How closely do BCB Bancorp, Inc. (NJ) (BCBP) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.15, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCBP and QQQ?
Over the past 3 years, BCBP and QQQ moved with a correlation of 0.15, which is weak. The link has loosened recently: the 1-year correlation (0.01) runs below the 3-year figure (0.15). Over 5 years the correlation is 0.19, and the annualized covariance of weekly returns is 95.2 %².
Out of 10 assets tracked against BCBP, QQQ lands near the bottom at #7. Correlation aside, the last 12 months split them widely, with QQQ ahead by 26.9 points (-0.6% versus +26.3%). One caveat on sizing: BCBP is 1.7 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.
BCBP vs QQQ: side by side
| BCBP (BCB Bancorp, Inc. (NJ)) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -0.6% | +26.3% |
| 5-year return | -25.8% | +95.4% |
| Volatility (ann.) | 33.3% | 19.6% |
| Beta vs S&P 500 | 0.59 | 1.28 |
| Max drawdown (3Y) | -41.2% | -22.8% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 3.70% | 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 | BCBP | QQQ |
|---|---|---|
| 2022 | +20.7% | -32.6% |
| 2023 | -24.8% | +54.9% |
| 2024 | -2.5% | +25.6% |
| 2025 | -26.6% | +20.8% |
| 2026 | +9.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCBP and QQQ good diversifiers for each other?
Yes. With a correlation of 0.15, BCBP and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BCBP and QQQ?
The BCBP/QQQ correlation stands at 0.15 on a 3-year window (1 year: 0.01, 5 years: 0.19), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for BCBP?
Yes. With a correlation of 0.15, BCBP and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.15 mean?
A reading of 0.15 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/bcbp-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bcbp-vs-qqq/)
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Related comparisons
Hubs: BCBP correlations · QQQ correlations
