CMCSA vs USMV: Correlation
Measured on weekly returns over the past three years, Comcast (CMCSA) and iShares MSCI USA Min Vol Factor ETF (USMV) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and USMV?
Across a 3-year window, the weekly returns of CMCSA and USMV correlate at 0.50, moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.50 over 3. Stretching to 5 years gives 0.50, with an annualized covariance of 117.0 %².
Few assets follow CMCSA as closely as USMV, which ranks #3 of 39 tracked partners. Correlation aside, the last 12 months split them widely, with USMV ahead by 22.7 points (-12.6% versus +10.1%). Across three years, the rolling one-year figure varied moderately, from 0.25 to 0.72. Risk is not evenly split, since CMCSA carries 2.4 times the volatility of the other side.
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 USMV: side by side
| CMCSA (Comcast) | USMV (iShares MSCI USA Min Vol Factor ETF) | |
|---|---|---|
| 1-year return | -12.6% | +10.1% |
| 5-year return | -44.5% | +42.3% |
| Volatility (ann.) | 23.8% | 9.9% |
| Beta vs S&P 500 | 0.48 | 0.51 |
| Max drawdown (3Y) | -44.9% | -9.4% |
| Market cap | $93.7B | – |
| P/E (trailing) | 8.7 | – |
| Dividend yield | 4.85% | 1.48% |
| Expense ratio | – | 0.15% |
| Assets under management | – | $23.6B |
| Sector / category | Communication Services | ETF · US Style |
USMV, iShares's Large Blend fund, carries $23.6B under management, 164 holdings, a 0.15% expense ratio, a 1.48% trailing dividend yield.
Year-by-year returns
| Year | CMCSA | USMV |
|---|---|---|
| 2022 | -28.7% | -9.4% |
| 2023 | +29.1% | +10.3% |
| 2024 | -11.8% | +15.7% |
| 2025 | -17.3% | +7.6% |
| 2026 | -2.2% | +9.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMCSA and USMV good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CMCSA and USMV?
Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.51 over the last year and 0.50 over 5 years.
Is USMV a good diversifier for CMCSA?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
On the −1 to +1 scale, 0.50 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-usmv.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cmcsa-vs-usmv/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CMCSA correlations · USMV correlations
