PKG vs QQQ: Correlation
How closely do Packaging Corporation of America (PKG) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.20, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PKG and QQQ?
Over the past 3 years, PKG and QQQ moved with a correlation of 0.20, which is weak. Lately the two have drifted apart, with the 1-year correlation at -0.06 versus 0.20 over 3 years. Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 92.7 %².
Within PKG's tracked universe of 32 assets, QQQ comes in at #22 by 3-year correlation. Over the last 12 months QQQ came out ahead by 7.8 percentage points (+18.5% against +26.3%). The relationship is regime-dependent: the rolling one-year correlation swung between -0.09 and 0.57 over the past three years, so this pair behaves very differently depending on the market environment.
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.
PKG vs QQQ: side by side
| PKG (Packaging Corporation of America) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +18.5% | +26.3% |
| 5-year return | +86.8% | +95.4% |
| Volatility (ann.) | 23.5% | 19.6% |
| Beta vs S&P 500 | 0.52 | 1.28 |
| Max drawdown (3Y) | -28.4% | -22.8% |
| Market cap | $21.7B | – |
| P/E (trailing) | 31.6 | – |
| Dividend yield | 2.13% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Materials | 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 | PKG | QQQ |
|---|---|---|
| 2022 | -2.6% | -32.6% |
| 2023 | +31.9% | +54.9% |
| 2024 | +41.7% | +25.6% |
| 2025 | -6.1% | +20.8% |
| 2026 | +19.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PKG and QQQ good diversifiers for each other?
Reasonably. At 0.20, PKG and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PKG and QQQ?
As of 2026-08-27, the correlation of weekly returns between PKG and QQQ is 0.20 over 3 years, -0.06 over 1 year and 0.32 over 5 years.
Is QQQ a good diversifier for PKG?
Reasonably. At 0.20, PKG and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.20 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/pkg-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pkg-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PKG correlations · QQQ correlations
