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Is ACI Worldwide (ACIW) Undervalued Following Two New Payment Infrastructure Wins?

Simply Wall St·09/01/2026 21:15:10
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ACI Worldwide (ACIW) has drawn fresh attention after two new client wins. Federal Home Loan Bank of Atlanta chose ACI Connetic for Fedwire payment processing, while Brazil based Inter Pag selected the ACI Acquiring Platform.

Despite the new contracts, ACI Worldwide’s share price has eased 7.06% over the past 30 days but is still up 28.20% over 90 days, and the stock’s 3 year total shareholder return of 129.95% points to longer term momentum alongside recent client wins.

Spot new payment infrastructure stocks riding similar demand to ACI Worldwide by scanning our hand picked 55 AI infrastructure stocks to add to your watchlist.

ACI Worldwide is signing new clients and has a solid payments franchise, yet the share price has slipped over the past month after a strong 3 year run. Is that combination now reflected fairly in the valuation?

Most Popular Narrative: 20.9% Undervalued

Analysts see ACI Worldwide’s fair value at $67.33 compared with the last close at $53.28, which puts a clear gap between the narrative and the current price.

Active product integration and cross-selling initiatives across banks, merchants, and billers, combined with earlier contract signings and improved sales execution, are raising operational efficiency and driving higher wallet share per client, positively impacting EBITDA and net margins.

Read the complete narrative.

Curious what is baked into that $67.33 figure? The narrative leans on steady revenue compounding, rising margins, and a future earnings multiple below many software peers. The exact mix of those inputs might surprise you.

Result: Fair Value of $67.33 (UNDERVALUED)

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

However, ACI Worldwide still faces rising competition in digital payments and ongoing heavy investment needs, which could pressure margins and challenge the current growth narrative.

Find out about the key risks to this ACI Worldwide narrative.

Next Steps

Mixed messages in the ACI Worldwide story so far. If you want to move quickly and shape your own view, take a closer look at the 4 key rewards and 1 important warning sign.

Looking for more investment ideas beyond ACI Worldwide?

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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.