Both in Telecommunications

Comcast vs Roku

Over the past year CMCSA returned −29.8% and ROKU returned +62.9%; their daily moves had a correlation of 0.11.

CMCSA −29.8% ROKU +62.9%Growth of $1, one year, split-adjusted
MetricCMCSAROKU
Price$20.66$152.85
Market cap$73.31B$22.70B
Today−2.59%−0.62%
1 month−17.9%−0.8%
6 months−26.0%+49.2%
Year to date−30.9%+40.9%
1 year−32.9%+53.0%
Revenue growth (YoY)−1.2%+21.9%
Gross margin72.0%49.7%
Net margin11.8%12.1%
P/E (TTM)6.5×63.9×
Price / sales0.6×4.4×
Net cash-$82.72B$2.56B
Dividend yield6.39%—
Volatility (60d)34.6%13.8%
Short % of float2.0%7.8%
Next earnings——

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