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CMCSA vs FOXA: Correlation

Comcast (CMCSA) and Fox Corporation (Class A) (FOXA) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.36
last 12 months
Correlation (5Y)
0.43
long-run
Ann. covariance
289.2
%² · weekly, annualized

How correlated are CMCSA and FOXA?

On 3 years of weekly data the CMCSA/FOXA correlation comes out at 0.42, moderate. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 289.2 %².

By 3-year correlation, FOXA places #18 of the 39 assets tracked against CMCSA. Their recent paths diverged sharply: over the last 12 months FOXA outperformed by 26.6 percentage points (-12.6% for CMCSA against +14.0% for FOXA). This link changes with the market regime, having swung between 0.12 and 0.64 on a rolling one-year basis.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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 FOXA: side by side

CMCSA (Comcast)FOXA (Fox Corporation (Class A))
1-year return-12.6%+14.0%
5-year return-44.5%+93.4%
Volatility (ann.)23.8%29.3%
Beta vs S&P 5000.480.56
Max drawdown (3Y)-44.9%-35.6%
Market cap$93.7B$28.3B
P/E (trailing)8.718.1
Dividend yield4.85%0.80%
Sector / categoryCommunication ServicesCommunication Services
Lower P/E: CMCSA 8.7 vs 18.1Higher yield: CMCSA 4.85% vs 0.80%Smaller drawdown: FOXA -35.6% vs -44.9%Higher 5y return: FOXA +93.4% vs -44.5%
-27%0%+21%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CMCSA · FOXA

Year-by-year returns

YearCMCSAFOXA
2022-28.7%-16.6%
2023+29.1%-0.8%
2024-11.8%+66.3%
2025-17.3%+51.8%
2026-2.2%-7.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CMCSA and FOXA 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 FOXA?

Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.36 over the last year and 0.43 over 5 years.

Is FOXA 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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CMCSA vs FOXA: 3-year weekly correlation 0.42CMCSA vs FOXA0.42

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Hubs: CMCSA correlations · FOXA correlations