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    Arm Holdings (ARM) Could Be 38% Undervalued On Its Expanded AI Ecosystem

    Simply Wall St·09/11/2026 22:35:37
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    Arm Holdings (NasdaqGS:ARM) is back in focus after management expanded its Total Design ecosystem to more than 80 partners and introduced new robotics and physical AI frameworks for Arm-based devices.

    Arm Holdings has attracted renewed attention as management talks up physical AI and SoftBank signals it may use its Arm stake to support wider AI ambitions. The share price has climbed 4.17% over the past day and 5.04% over the past week but is still down 30.47% over 90 days, leaving a year-to-date share price return of 130.79% and a 3-year total shareholder return of about 3.4x that hints at strong longer-term momentum despite recent volatility.

    Scan beyond Arm Holdings and see which other AI infrastructure plays are gaining momentum with our curated list of 89 AI infrastructure stocks

    Arm Holdings now trades about 9% below the average analyst target after a sharp pullback. Is that discount reflecting opportunity, or a market still unconvinced by the AI story at this price?

    Most Popular Narrative: 38.4% Undervalued

    Arm Holdings closed at $264.79 while the most followed narrative on the stock points to a fair value of $430. That gap is driving the current debate around how much of the AI opportunity is already reflected in the price.

    That is the entire re-rating story. Arm is no longer only monetizing a small royalty on someone else’s chip. If AGI CPU works, Arm can capture full chip-level revenue in the AI data-center market. That is a massive TAM expansion.

    Read the complete narrative. Read the complete narrative.

    Want to see what is baked into that $430 number? The narrative leans heavily on aggressive revenue expansion, richer margins and a premium profit multiple usually reserved for elite chip designers. Curious how those moving parts combine into one punchy valuation story.

    Result: Fair Value of $430 (UNDERVALUED)

    Have a read of the narrative in full and understand what's behind the forecasts.

    Still, the Arm Holdings story can be knocked off course if regulatory scrutiny around AGI CPU intensifies, or if key cloud customers push back on perceived competition.

    Find out about the key risks to this Arm Holdings narrative.

    Another View: SWS DCF Puts Arm Holdings In A Different Light

    The narrative fair value of $430 paints Arm Holdings as 38.4% undervalued. The SWS DCF model tells a very different story. On that future cash flow view, Arm is priced well above an estimated value of $92.63 per share, which points to a rich setup rather than a discount. Which lens do you trust more when the story and the cash flows pull in opposite directions?

    For a closer look at how that future cash flow estimate is built and what needs to go right for it to converge with the current market price, take a few minutes with the SWS DCF workup. Look into how the SWS DCF model arrives at its fair value.

    ARM Discounted Cash Flow as at Sep 2026
    ARM Discounted Cash Flow as at Sep 2026

    Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Arm Holdings for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 31 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

    Next Steps

    Mixed messages around Arm Holdings can be useful. Move quickly, review the data, and weigh both the upside and downside yourself with 2 key rewards and 1 important warning sign

    Looking for more investment ideas beyond Arm Holdings?

    If Arm Holdings has sharpened your interest in AI and high conviction stories, do not stop here. Broader research gives you more options and better context.

    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.