BDCZ vs QQQ: Correlation
ETRACS MarketVector Business Development Companies Liquid (BDCZ) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BDCZ and QQQ?
Across a 3-year window, the weekly returns of BDCZ and QQQ correlate at 0.42, moderate. The relationship has been stable: the 1-year correlation (0.40) sits close to the 3-year figure. Stretching to 5 years gives 0.52, with an annualized covariance of 133.2 %².
By 3-year correlation, QQQ places #43 of the 49 assets tracked against BDCZ. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 30.3 percentage points (-4.0% for BDCZ against +26.3% for QQQ).
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.
BDCZ vs QQQ: side by side
| BDCZ (ETRACS MarketVector Business Development Companies Liquid) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -4.0% | +26.3% |
| 5-year return | +29.0% | +95.4% |
| Volatility (ann.) | 16.0% | 19.6% |
| Beta vs S&P 500 | 0.58 | 1.28 |
| Max drawdown (3Y) | -20.8% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | BDCZ | QQQ |
|---|---|---|
| 2022 | -9.1% | -32.6% |
| 2023 | +25.3% | +54.9% |
| 2024 | +12.2% | +25.6% |
| 2025 | -3.7% | +20.8% |
| 2026 | +0.4% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BDCZ and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BDCZ and QQQ?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.40 over the last year and 0.52 over 5 years.
Is QQQ a good diversifier for BDCZ?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
A reading of 0.42 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/bdcz-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bdcz-vs-qqq/)
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Related comparisons
Hubs: BDCZ correlations · QQQ correlations
