BLW vs QQQ: Correlation
How closely do Blackrock Limited Duration Income Trust (BLW) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLW and QQQ?
Over the past 3 years, BLW and QQQ moved with a correlation of 0.50, which is moderate. The relationship has been stable: the 1-year correlation (0.52) sits close to the 3-year figure. Over 5 years the correlation is 0.55, and the annualized covariance of weekly returns is 95.3 %².
Within BLW's tracked universe of 17 assets, QQQ comes in at #12 by 3-year correlation. The last year tells two different stories: QQQ led by 26.5 percentage points, -0.2% for BLW against +26.3% for QQQ. Risk is not evenly split, since QQQ carries 2.0 times the volatility of the other side.
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.
BLW vs QQQ: side by side
| BLW (Blackrock Limited Duration Income Trust) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -0.2% | +26.3% |
| 5-year return | +16.7% | +95.4% |
| Volatility (ann.) | 9.8% | 19.6% |
| Beta vs S&P 500 | 0.38 | 1.28 |
| Max drawdown (3Y) | -11.2% | -22.8% |
| Market cap | $0.5B | – |
| P/E (trailing) | 10.4 | – |
| Dividend yield | 10.69% | 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 | BLW | QQQ |
|---|---|---|
| 2022 | -15.9% | -32.6% |
| 2023 | +17.3% | +54.9% |
| 2024 | +11.1% | +25.6% |
| 2025 | +7.1% | +20.8% |
| 2026 | -0.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLW and QQQ good diversifiers for each other?
Only partially. A correlation of 0.50 means BLW and QQQ share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BLW and QQQ?
The BLW/QQQ correlation stands at 0.50 on a 3-year window (1 year: 0.52, 5 years: 0.55), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for BLW?
Only partially. A correlation of 0.50 means BLW and QQQ share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.50 mean?
A reading of 0.50 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/blw-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/blw-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BLW correlations · QQQ correlations