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    ACI Worldwide (ACIW) Is Down 6.4% After Raising 2026 Revenue Guidance And Boosting Buybacks

    Simply Wall St·08/10/2026 13:34:06
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    • In August 2026, ACI Worldwide reported higher second-quarter revenue of US$430.42 million and net income of US$31.8 million year-over-year, completed a US$150.61 million share repurchase tranche, raised its full-year 2026 revenue guidance to US$1.895–1.925 billion, and reiterated plans to pursue cloud-focused acquisitions.
    • An underappreciated angle is how ACI’s mix of buybacks, potential M&A, and its new dLocal payments partnership in Latin America underscores a capital allocation approach tightly linked to its cloud and regional expansion priorities.
    • Now we’ll examine how the raised full-year revenue guidance reshapes ACI Worldwide’s existing investment narrative and risk-reward balance.

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    ACI Worldwide Investment Narrative Recap

    To own ACI Worldwide today, you generally need to believe its push into cloud-native payments and higher value software will offset competitive and regulatory pressures. The raised 2026 revenue guidance is incremental rather than transformative, but it supports the near term catalyst around execution on Connetic and payments software renewals, while the biggest immediate risk remains revenue and margin volatility in the Payment Software segment as large license renewals and migrations continue to shift around.

    Among the latest updates, the partnership with dLocal looks most relevant, because it directly reinforces ACI’s effort to make its cloud-based Payments Orchestration Platform more attractive to global merchants. By simplifying access to local methods like Pix, Mercado Pago and OXXO, ACI is tying its growth story more tightly to cross border and alternative payments, which could either smooth the renewal-driven lumpiness in software revenue or, if adoption disappoints, leave that volatility more exposed.

    Yet beneath the improved guidance, investors should still watch how Payment Software volatility and large customer exposure could affect ACI’s results when...

    Read the full narrative on ACI Worldwide (it's free!)

    ACI Worldwide's narrative projects $2.2 billion revenue and $377.8 million earnings by 2029. This requires 7.9% yearly revenue growth and about a $171.7 million earnings increase from $206.1 million today.

    Uncover how ACI Worldwide's forecasts yield a $67.33 fair value, a 25% upside to its current price.

    Exploring Other Perspectives

    ACIW 1-Year Stock Price Chart
    ACIW 1-Year Stock Price Chart

    Before this news, the most optimistic analysts were assuming ACI could reach about US$2.3 billion in revenue and roughly US$408 million in earnings by 2029, which is a far more upbeat scenario than consensus. If you see the latest guidance raise and Latin American expansion as validating that faster path versus the risk that legacy systems and customer concentration hold it back, you can weigh which story fits your view of ACI’s future.

    Explore 5 other fair value estimates on ACI Worldwide - why the stock might be worth 35% less than the current price!

    The Verdict Is Yours

    Disagree with existing narratives? Extraordinary investment returns rarely come from following the herd, so go with your instincts.

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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.