The ad-supported streaming revolution has put two compelling investment stories in focus: Roku ROKU and Netflix NFLX. Roku is a neutral streaming operating system monetizing through advertising and content partnerships, while Netflix — the world's dominant subscription streamer — is aggressively scaling its ad tier. Both are capitalizing on the secular migration of linear TV ad budgets to connected TV.
Their business models, growth trajectories and valuations differ meaningfully. Let's delve deep and closely compare the fundamentals of the two stocks to determine which one is a better investment now.
The Case for ROKU Stock
Roku's investment thesis is anchored in structural advantage: it is the operating system layer of streaming. With nearly half of all U.S. TV streaming occurring on Roku-powered devices, the company controls the home screen, the discovery experience, and increasingly the content itself through The Roku Channel (aff). In fourth-quarter 2025, Roku achieved its largest-ever quarter for premium subscription net additions, with platform revenue exceeding $1.2 billion — up 18% for the full year — while net income reached a record $80 million.
Management's forward guidance signals sustained momentum. Roku projects first-quarter 2026 platform revenue growth of over 21% and full-year growth of 18%, with adjusted EBITDA guidance raised to $635 million — representing more than 50% year-over-year growth — and 267 basis points of margin expansion. The company expects operating income to be positive for full-year 2026 and targets $1 billion in free cash flow by the end of 2028. CEO Anthony Wood confirmed Roku is on track to surpass 100 million streaming households in 2026.
On the content and advertising front, Roku added 15 new free channels to The Roku Channel (aff) in March 2026, strengthening its FAST ecosystem. In February 2026, Roku announced exclusive streaming bundles and the expansion of its Howdy subscription service. Its AI-driven personalization…