CABO vs CMCSA: Correlation
How closely do Cable One, Inc. (CABO) and Comcast (CMCSA) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CABO and CMCSA?
Across a 3-year window, the weekly returns of CABO and CMCSA correlate at 0.39, moderate. Little has changed lately, as the 1-year reading of 0.35 lands near the 3-year figure. Stretching to 5 years gives 0.44, with an annualized covariance of 614.0 %².
Within CABO's tracked universe of 10 assets, CMCSA comes in at #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CMCSA ahead by 73.6 points (-86.2% versus -12.6%). Risk is not evenly split, since CABO carries 2.8 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.
CABO vs CMCSA: side by side
| CABO (Cable One, Inc.) | CMCSA (Comcast) | |
|---|---|---|
| 1-year return | -86.2% | -12.6% |
| 5-year return | -98.8% | -44.5% |
| Volatility (ann.) | 66.3% | 23.8% |
| Beta vs S&P 500 | 0.39 | 0.48 |
| Max drawdown (3Y) | -96.5% | -44.9% |
| Market cap | $0.1B | $93.7B |
| P/E (trailing) | – | 8.7 |
| Dividend yield | 0.00% | 4.85% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | CABO | CMCSA |
|---|---|---|
| 2022 | -59.2% | -28.7% |
| 2023 | -20.4% | +29.1% |
| 2024 | -33.0% | -11.8% |
| 2025 | -68.5% | -17.3% |
| 2026 | -80.1% | -2.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CABO and CMCSA good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CABO and CMCSA?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.35 over the last year and 0.44 over 5 years.
Is CMCSA a good diversifier for CABO?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 mean?
On the −1 to +1 scale, 0.39 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/cabo-vs-cmcsa.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cabo-vs-cmcsa/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CABO correlations · CMCSA correlations
