CMCSA vs DGRO: Correlation
Measured on weekly returns over the past three years, Comcast (CMCSA) and iShares Core Dividend Growth ETF (DGRO) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and DGRO?
Across a 3-year window, the weekly returns of CMCSA and DGRO correlate at 0.47, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.33 versus 0.47 over 3 years. Stretching to 5 years gives 0.51, with an annualized covariance of 126.7 %².
Within CMCSA's tracked universe of 39 assets, DGRO comes in at #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months DGRO outperformed by 33.6 percentage points (-12.6% for CMCSA against +21.0% for DGRO). On a rolling one-year basis the correlation drifted between 0.33 and 0.75, a moderate band. One caveat on sizing: CMCSA is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 DGRO: side by side
| CMCSA (Comcast) | DGRO (iShares Core Dividend Growth ETF) | |
|---|---|---|
| 1-year return | -12.6% | +21.0% |
| 5-year return | -44.5% | +67.9% |
| Volatility (ann.) | 23.8% | 11.4% |
| Beta vs S&P 500 | 0.48 | 0.65 |
| Max drawdown (3Y) | -44.9% | -14.0% |
| Market cap | $93.7B | – |
| P/E (trailing) | 8.7 | – |
| Dividend yield | 4.85% | 1.89% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $42.8B |
| Sector / category | Communication Services | ETF · Dividend |
DGRO is a Large Value fund from iShares: $42.8B under management, 383 holdings, a 0.08% expense ratio, a 1.89% trailing dividend yield.
Year-by-year returns
| Year | CMCSA | DGRO |
|---|---|---|
| 2022 | -28.7% | -7.9% |
| 2023 | +29.1% | +10.5% |
| 2024 | -11.8% | +16.6% |
| 2025 | -17.3% | +15.7% |
| 2026 | -2.2% | +15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMCSA and DGRO 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 CMCSA and DGRO?
The CMCSA/DGRO correlation stands at 0.47 on a 3-year window (1 year: 0.33, 5 years: 0.51), computed from weekly returns as of 2026-08-27.
Is DGRO a good diversifier for CMCSA?
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?
On the −1 to +1 scale, 0.47 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.
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Related comparisons
Hubs: CMCSA correlations · DGRO correlations
