MYI vs QQQ: Correlation
Blackrock MuniYield Quality Fund III, Inc (MYI) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.29.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MYI and QQQ?
Across a 3-year window, the weekly returns of MYI and QQQ correlate at 0.29, weak. Lately the two have moved closer together, with the 1-year correlation at 0.49 versus 0.29 over 3 years. Stretching to 5 years gives 0.39, with an annualized covariance of 65.5 %².
QQQ is close to the least connected end of MYI's tracked universe, ranking #12 of 15. Correlation aside, the last 12 months split them widely, with QQQ ahead by 17.6 points (+8.7% versus +26.3%). One caveat on sizing: QQQ 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.
MYI vs QQQ: side by side
| MYI (Blackrock MuniYield Quality Fund III, Inc) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +8.7% | +26.3% |
| 5-year return | -5.8% | +95.4% |
| Volatility (ann.) | 11.8% | 19.6% |
| Beta vs S&P 500 | 0.30 | 1.28 |
| Max drawdown (3Y) | -11.8% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 28.3 | – |
| Dividend yield | 6.20% | 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 | MYI | QQQ |
|---|---|---|
| 2022 | -20.5% | -32.6% |
| 2023 | +8.8% | +54.9% |
| 2024 | +0.6% | +25.6% |
| 2025 | +4.8% | +20.8% |
| 2026 | +3.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MYI and QQQ good diversifiers for each other?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MYI and QQQ?
As of 2026-08-27, the correlation of weekly returns between MYI and QQQ is 0.29 over 3 years, 0.49 over 1 year and 0.39 over 5 years.
Is QQQ a good diversifier for MYI?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.29 mean?
A reading of 0.29 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/myi-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/myi-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MYI correlations · QQQ correlations
