Both in Telecommunications

Comcast vs AT&T

Over the past year CMCSA returned −29.9% and T returned −14.3%; their daily moves had a correlation of 0.38.

CMCSA −29.9% T −14.3%Growth of $1, one year, split-adjusted
MetricCMCSAT
Price$20.66$22.18
Market cap$73.31B$151.99B
Today−2.59%−10.82%
1 month−17.9%−13.2%
6 months−26.0%−16.2%
Year to date−30.9%−10.7%
1 year−32.9%−15.5%
Revenue growth (YoY)−1.2%+2.3%
Gross margin72.0%61.8%
Net margin11.8%14.5%
P/E (TTM)6.5×7.1×
Price / sales0.6×1.2×
Net cash-$82.72B-$126.38B
Dividend yield6.39%5.00%
Volatility (60d)34.6%33.8%
Short % of float2.0%1.9%
Next earnings—Oct 21, 2026

Shading marks the stronger figure where one clearly exists (lower is better for valuation and volatility).