Both in Telecommunications

Comcast vs T-Mobile US

Over the past year CMCSA returned −29.9% and TMUS returned −35.1%; their daily moves had a correlation of 0.41.

CMCSA −29.9% TMUS −35.1%Growth of $1, one year, split-adjusted
MetricCMCSATMUS
Price$20.66$148.58
Market cap$73.31B$159.38B
Today−2.59%−13.27%
1 month−17.9%−16.1%
6 months−26.0%−24.1%
Year to date−30.9%−26.8%
1 year−32.9%−34.4%
Revenue growth (YoY)−1.2%+7.9%
Gross margin72.0%64.8%
Net margin11.8%14.2%
P/E (TTM)6.5×15.1×
Price / sales0.6×1.7×
Net cash-$82.72B-$87.56B
Dividend yield6.39%2.75%
Volatility (60d)34.6%47.9%
Short % of float2.0%3.1%
Next earnings——

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