CMCSA vs LBTYA: Correlation
Comcast (CMCSA) and Liberty Global Ltd. - Class A (LBTYA) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and LBTYA?
On 3 years of weekly data the CMCSA/LBTYA correlation comes out at 0.38, moderate. The link has tightened recently: the 1-year correlation (0.49) runs above the 3-year figure (0.38). The 5-year figure is 0.46, and annualized covariance runs at 276.3 %².
By 3-year correlation, LBTYA places #22 of the 39 assets tracked against CMCSA. Neither side won the trailing year by much: -12.6% against -10.6%.
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 LBTYA: side by side
| CMCSA (Comcast) | LBTYA (Liberty Global Ltd. - Class A) | |
|---|---|---|
| 1-year return | -12.6% | -10.6% |
| 5-year return | -44.5% | -28.1% |
| Volatility (ann.) | 23.8% | 30.5% |
| Beta vs S&P 500 | 0.48 | 0.49 |
| Max drawdown (3Y) | -44.9% | -35.7% |
| Market cap | $93.7B | $3.6B |
| P/E (trailing) | 8.7 | – |
| Dividend yield | 4.85% | 0.00% |
| Sector / category | Communication Services | US Listed |
Year-by-year returns
| Year | CMCSA | LBTYA |
|---|---|---|
| 2022 | -28.7% | -31.8% |
| 2023 | +29.1% | -6.1% |
| 2024 | -11.8% | +39.4% |
| 2025 | -17.3% | -12.7% |
| 2026 | -2.2% | -5.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMCSA and LBTYA good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CMCSA and LBTYA?
The CMCSA/LBTYA correlation stands at 0.38 on a 3-year window (1 year: 0.49, 5 years: 0.46), computed from weekly returns as of 2026-08-27.
Is LBTYA a good diversifier for CMCSA?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 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-lbtya.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cmcsa-vs-lbtya/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CMCSA correlations · LBTYA correlations
