ISD vs QQQ: Correlation
How closely do PGIM High Yield Bond Fund, Inc. (ISD) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ISD and QQQ?
Across a 3-year window, the weekly returns of ISD and QQQ correlate at 0.47, moderate. Little has changed lately, as the 1-year reading of 0.53 lands near the 3-year figure. Stretching to 5 years gives 0.53, with an annualized covariance of 117.0 %².
Within ISD's tracked universe of 19 assets, QQQ comes in at #11 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 33.3 percentage points (-7.0% for ISD against +26.3% for QQQ). Risk is not evenly split, since QQQ carries 1.5 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.
ISD vs QQQ: side by side
| ISD (PGIM High Yield Bond Fund, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -7.0% | +26.3% |
| 5-year return | +21.1% | +95.4% |
| Volatility (ann.) | 12.7% | 19.6% |
| Beta vs S&P 500 | 0.50 | 1.28 |
| Max drawdown (3Y) | -13.9% | -22.8% |
| Market cap | $0.4B | – |
| P/E (trailing) | 10.5 | – |
| 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 | ISD | QQQ |
|---|---|---|
| 2022 | -18.4% | -32.6% |
| 2023 | +15.1% | +54.9% |
| 2024 | +22.1% | +25.6% |
| 2025 | +15.6% | +20.8% |
| 2026 | -9.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ISD and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ISD and QQQ?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.53 over the last year and 0.53 over 5 years.
Is QQQ a good diversifier for ISD?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.47 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/isd-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/isd-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ISD correlations · QQQ correlations
