COR vs QQQ: Correlation
Cencora (COR) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is -0.08.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COR and QQQ?
Across a 3-year window, the weekly returns of COR and QQQ correlate at -0.08, near zero, meaning they move largely independently. Lately the two have drifted apart, with the 1-year correlation at -0.22 versus -0.08 over 3 years. Stretching to 5 years gives 0.10, with an annualized covariance of -35.7 %².
By 3-year correlation, QQQ places #20 of the 43 assets tracked against COR. The trailing year gives QQQ the advantage: +11.4% versus +26.3%, a 14.9-point spread. Across three years, the rolling one-year figure varied moderately, from -0.24 to 0.16.
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.
COR vs QQQ: side by side
| COR (Cencora) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +11.4% | +26.3% |
| 5-year return | +188.6% | +95.4% |
| Volatility (ann.) | 21.9% | 19.6% |
| Beta vs S&P 500 | 0.08 | 1.28 |
| Max drawdown (3Y) | -32.4% | -22.8% |
| Market cap | $61.3B | – |
| P/E (trailing) | 24.3 | – |
| Dividend yield | 0.72% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Health Care | 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 | COR | QQQ |
|---|---|---|
| 2022 | +26.3% | -32.6% |
| 2023 | +25.3% | +54.9% |
| 2024 | +10.4% | +25.6% |
| 2025 | +51.5% | +20.8% |
| 2026 | -4.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COR and QQQ good diversifiers for each other?
Yes: at -0.08, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between COR and QQQ?
As of 2026-08-27, the correlation of weekly returns between COR and QQQ is -0.08 over 3 years, -0.22 over 1 year and 0.10 over 5 years.
Is QQQ a good diversifier for COR?
Yes: at -0.08, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.08 mean?
A reading of -0.08 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/cor-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cor-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COR correlations · QQQ correlations
