CMCSA vs SCHD: Correlation
Measured on weekly returns over the past three years, Comcast (CMCSA) and Schwab US Dividend Equity ETF (SCHD) carry a correlation of 0.56, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and SCHD?
Across a 3-year window, the weekly returns of CMCSA and SCHD correlate at 0.56, moderate. Little has changed lately, as the 1-year reading of 0.48 lands near the 3-year figure. Stretching to 5 years gives 0.56, with an annualized covariance of 172.1 %².
In CMCSA's tracked universe of 39 assets, SCHD sits right near the top at #2. Their recent paths diverged sharply: over the last 12 months SCHD outperformed by 42.2 percentage points (-12.6% for CMCSA against +29.6% for SCHD). The rolling one-year correlation moved between 0.45 and 0.73 over the past three years, a moderate range. Note the risk asymmetry: CMCSA runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 SCHD: side by side
| CMCSA (Comcast) | SCHD (Schwab US Dividend Equity ETF) | |
|---|---|---|
| 1-year return | -12.6% | +29.6% |
| 5-year return | -44.5% | +60.9% |
| Volatility (ann.) | 23.8% | 12.9% |
| Beta vs S&P 500 | 0.48 | 0.52 |
| Max drawdown (3Y) | -44.9% | -16.1% |
| Market cap | $93.7B | – |
| P/E (trailing) | 8.7 | – |
| Dividend yield | 4.85% | 3.13% |
| Expense ratio | – | 0.06% |
| Assets under management | – | $104.2B |
| Sector / category | Communication Services | ETF · Dividend |
SCHD, Schwab ETFs's Large Value fund, carries $104.2B under management, 101 holdings, a 0.06% expense ratio, a 3.13% trailing dividend yield.
Year-by-year returns
| Year | CMCSA | SCHD |
|---|---|---|
| 2022 | -28.7% | -3.3% |
| 2023 | +29.1% | +4.5% |
| 2024 | -11.8% | +11.7% |
| 2025 | -17.3% | +4.3% |
| 2026 | -2.2% | +29.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 2.35% of SCHD is CMCSA itself, so the fund partly moves with the stock by construction.
Are CMCSA and SCHD good diversifiers for each other?
Only partially. A correlation of 0.56 means CMCSA and SCHD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between CMCSA and SCHD?
The CMCSA/SCHD correlation stands at 0.56 on a 3-year window (1 year: 0.48, 5 years: 0.56), computed from weekly returns as of 2026-08-27.
Is SCHD a good diversifier for CMCSA?
Only partially. A correlation of 0.56 means CMCSA and SCHD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.56 mean?
On the −1 to +1 scale, 0.56 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-schd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cmcsa-vs-schd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CMCSA correlations · SCHD correlations
