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CHTR vs CMCSA: Correlation

Charter Communications (CHTR) and Comcast (CMCSA) show a strong relationship: their 3-year correlation of weekly returns is 0.68.

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

Correlation (3Y)
0.68
strong
Correlation (1Y)
0.73
last 12 months
Correlation (5Y)
0.72
long-run
Ann. covariance
668.7
%² · weekly, annualized

How correlated are CHTR and CMCSA?

Over the past 3 years, CHTR and CMCSA moved with a correlation of 0.68, which is strong. Recent behaviour matches the longer record: 0.73 over 1 year against 0.68 over 3. Over 5 years the correlation is 0.72, and the annualized covariance of weekly returns is 668.7 %².

Few assets follow CHTR as closely as CMCSA, which ranks #1 of 35 tracked partners. Correlation aside, the last 12 months split them widely, with CMCSA ahead by 32.3 points (-44.9% versus -12.6%). On a rolling one-year basis the correlation drifted between 0.48 and 0.80, a moderate band. Risk is not evenly split, since CHTR carries 1.7 times the volatility of the other side.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past 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.

CHTR vs CMCSA: side by side

CHTR (Charter Communications)CMCSA (Comcast)
1-year return-44.9%-12.6%
5-year return-81.8%-44.5%
Volatility (ann.)41.3%23.8%
Beta vs S&P 5000.740.48
Max drawdown (3Y)-72.9%-44.9%
Market cap$20.0B$93.7B
P/E (trailing)4.08.7
Dividend yield0.00%4.85%
Sector / categoryCommunication ServicesCommunication Services
Lower P/E: CHTR 4.0 vs 8.7Higher yield: CMCSA 4.85% vs 0.00%Smaller drawdown: CMCSA -44.9% vs -72.9%Higher 5y return: CMCSA -44.5% vs -81.8%
-53%0%+7%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CHTR · CMCSA

Year-by-year returns

YearCHTRCMCSA
2022-48.0%-28.7%
2023+14.6%+29.1%
2024-11.8%-11.8%
2025-39.1%-17.3%
2026-28.9%-2.2%

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

Are CHTR and CMCSA good diversifiers for each other?

Only partially. A correlation of 0.68 means CHTR and CMCSA 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 CHTR and CMCSA?

The CHTR/CMCSA correlation stands at 0.68 on a 3-year window (1 year: 0.73, 5 years: 0.72), computed from weekly returns as of 2026-08-27.

Is CMCSA a good diversifier for CHTR?

Only partially. A correlation of 0.68 means CHTR and CMCSA share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.68 mean?

A reading of 0.68 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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CHTR vs CMCSA: 3-year weekly correlation 0.68CHTR vs CMCSA0.68

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Related comparisons

Hubs: CHTR correlations · CMCSA correlations