Key Points
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Roku's platform revenue grew 18% in the fourth quarter, helping the company swing to a net profit.
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The company is spreading its resources across hardware, advertising, and streaming content while fighting deep-pocketed tech giants.
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With a price-to-earnings ratio well above 150, the stock leaves investors with virtually no margin of safety.
Shares of streaming specialist Roku (NASDAQ: ROKU) have had a tough run. Down about 10% year to date as of this writing, and down more than 70% over the past five years, the stock might look like a tempting turnaround play to bargain hunters.
This is especially true after the company's recent fourth-quarter report, which featured accelerating platform revenue and a welcome year-over-year swing to profitability. The business is undoubtedly gaining some notable traction.
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But I'm not buying the stock here.
The problem isn't the company's recent execution. It is the price investors are being asked to pay for a business fighting a multi-front war against some of the deepest pockets in tech.
The Roku logo.
Image source: The Motley Fool.
Momentum in the platform
There is plenty to like in Roku's latest financial update. For the fourth quarter of 2025, total revenue increased 16% year over year to $1.39 billion.
And its high-margin platform segment, which includes digital advertising and streaming distribution, drove the results. Platform revenue rose 18% year over year to $1.22 billion.
Even more encouraging, this top-line growth is finally flowing into bottom-line results in a meaningful way. Roku reported fourth-quarter net income of $80.5 million, marking a massive improvement from the net losses it posted a year earlier.
And for the full year, the company generated $484 million in free cash flow, up more than 100%…