Stronger outlook after Q1 earnings surprise
ACI Worldwide (ACIW) raised its full year 2026 revenue and adjusted EBITDA guidance after first quarter results exceeded analyst estimates and highlighted double digit growth in both revenue and adjusted EBITDA.
The quarter also featured solid contributions from Real Time Payments and Merchant segments, alongside growth in new annual recurring revenue bookings. The upgraded outlook was received positively by investors following the announcement.
See our latest analysis for ACI Worldwide.
The Q1 earnings surprise and raised 2026 guidance have come alongside a 14.39% 1 month share price return and 10.34% 3 month share price return. The 3 year total shareholder return of 86.38% contrasts with a modest 1 year total shareholder return decline of 3.74%, suggesting recent momentum is rebuilding after a softer patch.
If strong payments themes have your attention, this is a good moment to broaden your watchlist with 40 AI infrastructure stocks
With ACI Worldwide trading at $46.65 alongside an indicated intrinsic discount of about 29% and a sizable gap to analyst targets, you have to ask whether there is still a buying opportunity here or whether future growth is already priced in.
Most Popular Narrative: 26.2% Undervalued
The most followed narrative values ACI Worldwide at $63.20 a share compared with the last close of $46.65, putting a spotlight on what is driving that valuation gap.
The official launch and positive customer reception of Connetic, ACI's next-generation cloud-native payments hub with AI-powered decisioning and real-time capabilities, positions the company to capitalize on increasing demand for scalable, secure digital payment processing and real-time payments globally, supporting accelerating recurring revenue growth and higher margins.
Want to see what sits behind that fair value of $63.20? The narrative leans heavily on future revenue growth, margin structure and the profit multiple needed to justify it. The numbers and timelines are specific. The tension between growth assumptions, discount rate and future P/E is where the story gets interesting.
Result: Fair Value of $63.20 (UNDERVALUED)
Have a read of the narrative in full and understand what's behind the forecasts.
However, stronger rivals and ongoing heavy investment needs could pressure ACI Worldwide's margins and make its long term earnings path bumpier than this narrative assumes.
Find out about the key risks to this ACI Worldwide narrative.
Next Steps
With sentiment split between opportunity and concern, this is a good time to look through the numbers yourself and decide where you stand. To weigh both sides of the story in one place, take a close look at the 4 key rewards and 1 important warning sign
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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.
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