Fortinet (FTNT) has jumped into focus after first quarter earnings, a higher full year revenue outlook, and a deeper NVIDIA partnership around FortiAIGate, as the stock extends a strong recent run.

The strong first quarter revenue, raised full year guidance, and new AI-focused products have coincided with a sharp acceleration in momentum, with a 30 day share price return of 54.17% and a 5 year total shareholder return of 191.18%.

If Fortinet’s AI security push has caught your attention, it could be worth scanning the wider AI opportunity set through Simply Wall St’s screener for 42 AI infrastructure stocks

With Fortinet now trading at US$122.78, modestly above both its analyst price target and an estimated intrinsic value, the recent surge raises a key question for you: is there still upside here or is future growth already priced in?

Most Popular Narrative: 38% Overvalued

Fortinet’s most followed narrative pegs fair value at $89.00, well below the last close at $122.78, and builds a detailed case around earnings power and capital returns.

Fortinet's successful pivot toward high-margin, recurring software, subscription, and services revenue, evidenced by rapid ARR growth in Unified SASE (22%), SecOps (35%), and attached or adjacent cloud-based services, is structurally expanding gross and operating margins, decreasing business cyclicality, and boosting long-term earnings quality.

Curious what earnings runway and profit profile sit behind that $89.00 figure? The narrative leans heavily on durable margins, steady growth and a premium P/E to tie it all together.

Result: Fair Value of $89.00 (OVERVALUED)

However, there are still pressure points, including reliance on hardware refresh cycles and heavier infrastructure spending, that could challenge the margin and earnings assumptions behind that $89.00 fair value.

Another Angle on Valuation

While the $89.00 fair value narrative points to Fortinet as 38% overvalued, the current P/E of 46x tells a more mixed story. It sits below the peer average of 64.6x, but well above the US Software industry on 28.4x and a fair ratio of 33.1x, which implies real valuation risk if the market leans back toward that fair ratio.

If you prefer to anchor on earnings multiples rather than narrative models, it could be worth stress testing your own assumptions against this richer context, then asking whether Fortinet’s premium still feels comfortable at $122.78 or not.

Next Steps

With sentiment in this article leaning cautious, it could be worth moving quickly to test the data yourself and pressure test both sides of the argument. To round out your view, take a closer look at the company's 2 key rewards

Looking for more investment ideas?

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.