PPG vs QQQ: Correlation
PPG Industries (PPG) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.40.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPG and QQQ?
Across a 3-year window, the weekly returns of PPG and QQQ correlate at 0.40, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.15 versus 0.40 over 3 years. Stretching to 5 years gives 0.52, with an annualized covariance of 199.4 %².
Among the 67 assets we track against PPG, QQQ ranks #55 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 22.5 points (+3.8% versus +26.3%). This link changes with the market regime, having swung between 0.15 and 0.66 on a rolling one-year basis.
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.
PPG vs QQQ: side by side
| PPG (PPG Industries) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +3.8% | +26.3% |
| 5-year return | -22.0% | +95.4% |
| Volatility (ann.) | 25.5% | 19.6% |
| Beta vs S&P 500 | 0.90 | 1.28 |
| Max drawdown (3Y) | -37.4% | -22.8% |
| Market cap | $25.2B | – |
| P/E (trailing) | 16.4 | – |
| Dividend yield | 2.48% | 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 | PPG | QQQ |
|---|---|---|
| 2022 | -25.7% | -32.6% |
| 2023 | +21.2% | +54.9% |
| 2024 | -18.5% | +25.6% |
| 2025 | -12.0% | +20.8% |
| 2026 | +12.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPG and QQQ good diversifiers for each other?
Reasonably. At 0.40, PPG and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PPG and QQQ?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.15 over the last year and 0.52 over 5 years.
Is QQQ a good diversifier for PPG?
Reasonably. At 0.40, PPG and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ppg-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ppg-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PPG correlations · QQQ correlations
