CMCSA vs QQQ: Correlation
Measured on weekly returns over the past three years, Comcast (CMCSA) and Invesco QQQ Trust (QQQ) carry a correlation of 0.17, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and QQQ?
On 3 years of weekly data the CMCSA/QQQ correlation comes out at 0.17, weak. The past 12 months show a weaker link (0.02) than the 3-year average (0.17). The 5-year figure is 0.30, and annualized covariance runs at 76.8 %².
By 3-year correlation, QQQ places #29 of the 39 assets tracked against CMCSA. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 38.9 percentage points (-12.6% for CMCSA against +26.3% for QQQ). This link changes with the market regime, having swung between -0.18 and 0.59 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.
CMCSA vs QQQ: side by side
| CMCSA (Comcast) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -12.6% | +26.3% |
| 5-year return | -44.5% | +95.4% |
| Volatility (ann.) | 23.8% | 19.6% |
| Beta vs S&P 500 | 0.48 | 1.28 |
| Max drawdown (3Y) | -44.9% | -22.8% |
| Market cap | $93.7B | – |
| P/E (trailing) | 8.7 | – |
| Dividend yield | 4.85% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Communication Services | 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 | CMCSA | QQQ |
|---|---|---|
| 2022 | -28.7% | -32.6% |
| 2023 | +29.1% | +54.9% |
| 2024 | -11.8% | +25.6% |
| 2025 | -17.3% | +20.8% |
| 2026 | -2.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.43% of QQQ is CMCSA itself, so the fund partly moves with the stock by construction.
Are CMCSA and QQQ good diversifiers for each other?
Yes: at 0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CMCSA and QQQ?
As of 2026-08-27, the correlation of weekly returns between CMCSA and QQQ is 0.17 over 3 years, 0.02 over 1 year and 0.30 over 5 years.
Is QQQ a good diversifier for CMCSA?
Yes: at 0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.17 mean?
On the −1 to +1 scale, 0.17 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/cmcsa-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cmcsa-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CMCSA correlations · QQQ correlations
