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    Fortinet (FTNT) Could Be 46% Above Fair Value As Atos Partnership Lifts Interest

    Simply Wall St·10/27/2026 06:20:29
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    Fortinet (FTNT) is back in focus after Atos shifted their long running collaboration into a global partnership. The new agreement is aimed at securing hybrid and multi cloud environments and expanding managed cybersecurity services worldwide.

    Recent trading has reflected that story. Fortinet’s share price is now at US$183.33, with a 1-day share price return of 1.86%, a 7-day share price return of 6.90%, and a 90-day share price return of 22.24%. The 1-year total shareholder return of 114.95% and 3-year total shareholder return of 225.51% point to momentum that investors are watching closely around new partnerships and product launches.

    Spot similar AI security momentum by scanning our hand picked 39 profitable AI stocks that aren't just burning cash, which combine real earnings power with exposure to the same kind of enterprise demand Fortinet is tapping into.

    Fortinet has rallied hard on AI security and the Atos expansion, which makes the timing question sharper. Is it worth paying up now, or does patience for a cheaper entry make more sense as valuation gets unpacked next?

    Most Popular Narrative: 46% Overvalued

    Fortinet’s most followed valuation story pegs fair value at $125.56 against the last close of $183.33, so the current quote sits well above that reference point and turns attention to what is being priced in.

    Fortinet’s current valuation prices in a lot of future perfection, making it an expensive stock by traditional metrics. As of mid-July 2026, the stock trades at a Price-to-Earnings (P/E) ratio of roughly 60x, which is a significant premium compared to the broader market and above its 2024 and 2025 levels. Its Price-to-Sales (P/S) ratio tells a similar story, sitting at about 16x to 18x. This means investors are paying a high multiple for every dollar of revenue the company generates. A P/E over 60 leaves very little room for error if macroeconomic conditions or spending on data centers weaken.

    See why 14 investors see Fortinet as 46% overvalued.

    Result: Fair Value of $125.56 (OVERVALUED)

    Still, the Fortinet story could unravel quickly if AI data center spending cools or large clients delay security rollouts and put pressure on that premium valuation.

    Find out about the key risks to this Fortinet narrative.

    Next Steps

    With sentiment pulling in different directions, this is the moment to pressure test the numbers yourself and decide whether Fortinet’s risk reward trade off works for you. To understand what the market is optimistic about, review the 2 key rewards.

    Looking for more Fortinet sized investment ideas?

    If Fortinet has sharpened your appetite for opportunities, do not stop at one ticker. Use focused screeners to surface other candidates that fit your risk and return style.