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    Is American Tower (AMT) Undervalued Following Its Earnings Beat And Steady FFO Outlook?

    Simply Wall St·09/06/2026 10:21:51
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    American Tower (AMT) is drawing fresh attention after an earnings beat and a decision to keep its full year FFO outlook intact, while management prepares to speak at upcoming Goldman Sachs and Citi investor conferences.

    Over the past year American Tower’s share price has seen mixed momentum, with the 30 day share price return of 1.92% set against a 90 day share price decline of 7.01% and a 1 year total shareholder return decline of 7.90%. This indicates sentiment is still cautious even as recent earnings and guidance keep valuation in focus around the current US$175.85 level.

    Compare American Tower's setup with a curated group of stocks that also screen as potentially undervalued on cash flow and earnings strength using our 47 high quality undervalued stocks

    American Tower now trades well below both its own intrinsic value estimate and the average analyst target, even after the recent earnings beat. How far does fair value sit from the current US$175.85 share price?

    Price-to-Earnings of 24.1x: Is it justified?

    On traditional measures American Tower screens as inexpensive relative to peers, with its current P/E of 24.1x sitting meaningfully below both the sector and internal fair value markers even at a last close of $175.85.

    The P/E ratio compares what you pay for each dollar of earnings. For a large global REIT like American Tower, which runs tower and data center assets across multiple regions, this is a common benchmark investors use when weighing income producing stocks with steady cash flow profiles.

    Here, the stock is described as good value on several fronts. The current 24.1x P/E is below the estimated fair P/E of 34.6x, and it also sits under the North American Specialized REITs average of 25.4x and below a 52.3x peer group average. Together, these figures indicate that the market is pricing American Tower at a discount to both its earnings profile and peer valuations, which some investors may view as a valuation gap.

    On a relative basis the comparison is clear. The current 24.1x P/E is framed against an industry average of 25.4x and a peer average of 52.3x. The fair P/E estimate of 34.6x is presented as a reference point for where the valuation might be viewed as more in line with these comparative markers.

    Explore the SWS fair ratio for American Tower.

    Result: Price-to-Earnings of 24.1x (UNDERVALUED)

    However, American Tower still faces risks that could keep that valuation gap in place, including slower revenue growth at 4.36% and a five-year total return decline of 30.04%.

    Find out about the key risks to this American Tower narrative.

    Another View on American Tower's Valuation

    The P/E discussion presents American Tower as undervalued, and the SWS DCF model provides an additional perspective. It places future cash flow value at $293.78 per share versus the current $175.85 price. That is a sizeable gap. Could the market be underestimating how durable those cash flows are?

    Look into how the SWS DCF model arrives at its fair value.

    AMT Discounted Cash Flow as at Sep 2026
    AMT 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 American Tower 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 47 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

    With American Tower showing both a valuation gap and mixed recent returns, it makes sense to quickly review the full picture and make your own call using the 6 key rewards and 1 important warning sign.

    Looking for more investment ideas beyond American Tower?

    Do not stop with American Tower. Use the Simply Wall Street Screener to quickly spot fresh opportunities that match your style before others move first.

    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.