CMCSA vs FOX: Correlation
Measured on weekly returns over the past three years, Comcast (CMCSA) and Fox Corporation (Class B) (FOX) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and FOX?
On 3 years of weekly data the CMCSA/FOX correlation comes out at 0.42, moderate. The relationship has been stable: the 1-year correlation (0.37) sits close to the 3-year figure. The 5-year figure is 0.44, and annualized covariance runs at 285.6 %².
By 3-year correlation, FOX places #17 of the 39 assets tracked against CMCSA. The last year tells two different stories: FOX led by 24.8 percentage points, -12.6% for CMCSA against +12.2% for FOX. The relationship is regime-dependent: the rolling one-year correlation swung between 0.13 and 0.64 over the past three years, so this pair behaves very differently depending on the market environment.
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 FOX: side by side
| CMCSA (Comcast) | FOX (Fox Corporation (Class B)) | |
|---|---|---|
| 1-year return | -12.6% | +12.2% |
| 5-year return | -44.5% | +88.7% |
| Volatility (ann.) | 23.8% | 28.5% |
| Beta vs S&P 500 | 0.48 | 0.58 |
| Max drawdown (3Y) | -44.9% | -34.1% |
| Market cap | $93.7B | $25.4B |
| P/E (trailing) | 8.7 | 16.2 |
| Dividend yield | 4.85% | 0.90% |
| Sector / category | Communication Services | Communication Services |
Year-by-year returns
| Year | CMCSA | FOX |
|---|---|---|
| 2022 | -28.7% | -15.8% |
| 2023 | +29.1% | -1.2% |
| 2024 | -11.8% | +68.3% |
| 2025 | -17.3% | +43.4% |
| 2026 | -2.2% | -6.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMCSA and FOX good diversifiers for each other?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CMCSA and FOX?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.37 over the last year and 0.44 over 5 years.
Is FOX a good diversifier for CMCSA?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.42 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: CMCSA correlations · FOX correlations
