| 2023-11-02 | +16.2% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-05-08 | -15.7% | earnings | Seeking Alpha | ACI Worldwide beats top-line and bottom-line estimates; raises FY25 outlook |
| 2025-05-08 | -15.7% | legal | SEC EDGAR | ACIW 8-K: 2.02, 5.02, 7.01 (SEC Filing) |
| 2025-02-27 | +13.4% | earnings | Seeking Alpha | ACI Worldwide, Inc. 2024 Q4 - Results - Earnings Call Presentation |
| 2025-02-27 | +13.4% | earnings | Seeking Alpha | ACI Worldwide, Inc. (ACIW) Q4 2024 Earnings Call Transcript |
| 2025-02-27 | +13.4% | earnings | Seeking Alpha | ACI Worldwide Non-GAAP EPS of $1.08 beats by $0.32, revenue of $453M beats by $2M |
| 2025-02-27 | +13.4% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2022-11-02 | -12.8% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-05-07 | -12.1% | earnings | Seeking Alpha | ACI Worldwide Q1 2025 Earnings Preview |
| 2025-02-26 | +9.3% | earnings | Seeking Alpha | ACI Worldwide Q4 2024 Earnings Preview |
| 2026-02-02 | -8.5% | news | Stock Titan | Holiday shopping hangover: refund surge squeezes retailers' margins - Stock Titan |
| 2022-08-04 | -8.0% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-05 | +7.6% | earnings | Seeking Alpha | ACI Worldwide Q3 2025 Earnings Preview |
| 2024-08-01 | +7.0% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2023-08-03 | +6.3% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-02-24 | +6.2% | analyst | Trefis | ACI Worldwide Stock (-5.9%): Analyst Downgrade Punches Ticket to 52-Week Lows - Trefis |
| 2024-04-30 | +5.7% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-11-07 | +5.4% | earnings | Seeking Alpha | ACI Worldwide Inc. (ACIW) Q3 2024 Earnings Call Transcript |
| 2024-11-07 | +5.4% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-03-03 | +5.4% | news | Seeking Alpha | ACI Worldwide: The Quiet Catalyst Behind The Money Movement Revolution |
| 2026-03-03 | +5.4% | news | Seeking Alpha | ACI Worldwide: The Quiet Catalyst Behind The Money Movement Revolution (NASDAQ:ACIW) - Seeking Alpha |
| 2026-03-03 | +5.4% | news | Stock Titan | Cards still rule payments: ACI builds cloud system for 300B transactions - Stock Titan |
| 2026-04-22 | -5.2% | earnings | Cổng thông tin điện tử tỉnh Lào Cai | ACIW (ACI Worldwide Inc.) trades 3.9 percent higher despite posting a 24 percent EPS miss for its 2025 fourth quarter. - Profit Announcement - Cổng thông tin điện tử tỉnh Lào Cai |
| 2021-12-06 | +5.0% | legal | SEC EDGAR | ACIW 8-K: 8.01 and (SEC Filing) |
| 2025-08-07 | +5.0% | earnings | Seeking Alpha | ACI Worldwide Non-GAAP EPS of $0.35 beats by $0.08, revenue of $401M beats by $20.55M |
| 2025-08-07 | +5.0% | legal | SEC EDGAR | ACIW 8-K: 2.02 and 7.01 (SEC Filing) |
| 2024-11-05 | +4.8% | M&A | Stock Titan | FIS Acquires Dragonfly Tech from One Equity Partners, Expanding Digital Banking Reach - Stock Titan |
| 2025-08-06 | +4.6% | earnings | Seeking Alpha | ACI Worldwide Q2 2025 Earnings Preview |
| 2026-02-04 | +4.6% | news | Stock Titan | Payments firm ACI Worldwide sets Feb. 26 call on 2025 results - Stock Titan |
| 2026-01-14 | -4.5% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-01-14 | -4.5% | news | ChartMill | ACI Worldwide Inc (NASDAQ:ACIW) Emerges as a Compelling Value Stock for Investors - ChartMill |
| 2026-02-03 | -4.4% | news | Investing.com | Aci Worldwide stock hits 52-week low at 40.36 USD - Investing.com |
| 2022-09-06 | -4.2% | analyst | TradingView | ACIW Forecast — Price Target — Prediction for 2027 - TradingView |
| 2026-02-23 | -4.1% | news | Investing.com | Aci Worldwide stock hits 52-week low at $38.52 - Investing.com |
| 2021-11-04 | +3.9% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-06-20 | +3.8% | news | Bobsguide | Transaction Systems Architects, Inc. Changes Name to ACI Worldwide, Inc. - Bobsguide |
| 2025-11-10 | -3.8% | earnings | Seeking Alpha | ACI Worldwide, Inc. 2025 Q3 - Results - Earnings Call Presentation |
| 2026-03-25 | +3.7% | executive | Stock Titan | ACI Worldwide (NASDAQ: ACIW) CFO surrenders shares to cover RSU tax - Stock Titan |
| 2022-09-01 | -3.7% | legal | SEC EDGAR | ACIW 8-K: 8.01 and (SEC Filing) |
| 2022-06-17 | +3.6% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2025-10-16 | -3.4% | expansion | parameter.io | ACI Worldwide (ACIW) Stock: Dips as Company Expands Crypto Horizons with BitPay Partnership - parameter.io |
| 2026-03-04 | +3.4% | news | Stock Titan | Director Juan Benitez II buys 2,400 ACI Worldwide (ACIW) shares - Stock Titan |
| 2026-03-04 | +3.4% | news | Stock Titan | Director Adalio Sanchez adds 3,000 ACI Worldwide (ACIW) shares - Stock Titan |
| 2026-02-26 | -3.3% | earnings | Seeking Alpha | ACI Worldwide, Inc. 2025 Q4 - Results - Earnings Call Presentation |
| 2026-02-26 | -3.3% | earnings | Seeking Alpha | ACI Worldwide outlines 7%-9% 2026 revenue growth while advancing Connetic platform and AI initiatives |
| 2026-02-26 | -3.3% | earnings | Seeking Alpha | ACI Worldwide, Inc. (ACIW) Q4 2025 Earnings Call Transcript |
| 2026-02-26 | -3.3% | earnings | Seeking Alpha | ACI Worldwide GAAP EPS of $0.62 misses by $0.18, revenue of $1.76B beats by $1.29B |
| 2026-02-26 | -3.3% | legal | SEC EDGAR | ACIW 8-K: 2.02, 5.02, 7.01 (SEC Filing) |
| 2026-02-26 | -3.3% | earnings | Quiver Quantitative | ACI WORLDWIDE ($ACIW) Releases Q4 2025 Earnings - Quiver Quantitative |
| 2026-02-26 | -3.3% | earnings | Yahoo Finance | ACI Worldwide (ACIW) Misses Q4 Earnings Estimates - Yahoo Finance |
| 2026-02-26 | -3.3% | earnings | ChartMill | ACI Worldwide Inc (NASDAQ:ACIW) Beats Q4 Earnings Estimates and Provides Steady 2026 Guidance - ChartMill |
| 2026-02-26 | -3.3% | earnings | Investing.com | Earnings call transcript: ACI Worldwide Q4 2025 beats expectations, stock rises - Investing.com |
| 2026-02-26 | -3.3% | news | TipRanks | ACI Worldwide posts strong 2025 results and outlook - TipRanks |
| 2026-04-16 | +3.2% | news | Business Wire | ACI Worldwide to Report First Quarter 2026 Financial Results |
| 2026-04-16 | +3.2% | earnings | Stock Titan | ACI Worldwide schedules May 7 earnings call for 8:30 a.m. ET - Stock Titan |
| 2026-04-16 | +3.2% | executive | Benzinga | ACI Worldwide President and CEO Sold $2.87M In Company Stock - Benzinga |
| 2026-04-16 | +3.2% | news | Benzinga | Insider Selling: Ronald Craig Shultz Unloads $281K Of ACI Worldwide Stock - Benzinga |
| 2026-04-08 | -3.2% | news | Zacks | Is the Options Market Predicting a Spike in ACI Worldwide Stock? |
| 2026-04-08 | -3.2% | earnings | MarketBeat | Jefferson Bridge Capital LLC Buys New Stake in ACI Worldwide, Inc. $ACIW - MarketBeat |
| 2022-11-08 | -3.1% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-03-26 | +3.1% | news | Stock Titan | 30% of Gen Z say they don't file taxes as paper returns fall to 5% - Stock Titan |
| 2026-03-26 | +3.1% | news | Stock Titan | Vanguard (NYSE: ACIW) amends 13G—reports 0 shares after realignment - Stock Titan |
| 2022-04-19 | +2.8% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-04-23 | -2.8% | news | Simply Wall St. | ACI’s New Multi‑Rail Connetic Platform Might Change The Case For Investing In ACI Worldwide (ACIW) |
| 2026-04-23 | -2.8% | news | Business Wire | As Multi-Rail Complexity Grows, ACI Worldwide Delivers One Cloud-Native Platform for Eight U.S. Networks |
| 2026-04-23 | -2.8% | earnings | MarketBeat | ACI Worldwide (NASDAQ:ACIW) Stock Price Crosses Above 200 Day Moving Average - Here's Why - MarketBeat |
| 2026-04-23 | -2.8% | news | GuruFocus | ACI Worldwide Inc (ACIW) Stock Down 4.6% -- Now Undervalued? GF Score: 83/100 - GuruFocus |
| 2026-04-23 | -2.8% | news | Stock Titan | Banks now juggle 8 payment rails; ACI puts them on one platform - Stock Titan |
| 2026-04-23 | -2.8% | legal | Stock Titan | ACIW SEC Filings - Aci Worldwide Inc 10-K, 10-Q, 8-K Forms - Stock Titan |
| 2026-03-19 | +2.7% | news | Stock Titan | Colombia's new instant-pay system cleared 500M transfers in 5 months - Stock Titan |
| 2026-03-13 | -2.6% | news | Yahoo Finance | New Strong Sell Stocks for March 13th - Yahoo Finance |
| 2025-09-12 | -2.6% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-03-10 | -2.5% | news | ChartMill | ACI Worldwide Inc (NASDAQ:ACIW) Emerges as a Quality Investing Candidate - ChartMill |
| 2025-11-06 | +2.5% | earnings | Seeking Alpha | ACI Worldwide raises 2025 revenue guidance to $1.73B-$1.754B as recurring revenue climbs 10% amid Connetic rollout |
| 2025-11-06 | +2.5% | earnings | Seeking Alpha | ACI Worldwide, Inc. (ACIW) Q3 2025 Earnings Call Transcript |
| 2025-11-06 | +2.5% | earnings | Seeking Alpha | ACI Worldwide beats Q3 estimates, raises guidance |
| 2025-11-06 | +2.5% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-06 | +2.5% | earnings | ChartMill | ACI Worldwide Inc (NASDAQ:ACIW) Exceeds Q3 2025 Earnings and Revenue Estimates, Raises Full-Year Guidance - ChartMill |
| 2025-11-06 | +2.5% | news | GuruFocus | ACI Boosts Share Value with $500 Million Stock Buyback Approval - GuruFocus |
| 2024-02-29 | +2.4% | legal | SEC EDGAR | ACIW 8-K: 1.01, 2.02, 5.02, 7.01 (SEC Filing) |
| 2026-02-16 | +2.4% | news | Stock Titan | UK bank moves SWIFT, CHAPS and Faster Payments onto one cloud system - Stock Titan |
| 2021-07-26 | -2.4% | earnings | Zacks Investment Research | What date does ACI Worldwide's (ACIW) report Earnings - Earnings Calendar & Announcement - Zacks Investment Research |
| 2026-04-21 | -2.3% | news | Zacks | New Strong Sell Stocks for April 21st |
| 2023-05-04 | -2.3% | legal | SEC EDGAR | ACIW 8-K: 1.01, 2.02, 7.01 (SEC Filing) |
| 2026-04-15 | +2.2% | news | Stock Titan | Comp grant and tax share surrender at ACI Worldwide (NASDAQ: ACIW) - Stock Titan |
| 2026-04-15 | +2.2% | executive | Stock Titan | ACI Worldwide (ACIW) CEO earns 176,755 performance shares, surrenders 69,552 for taxes - Stock Titan |
| 2026-04-15 | +2.2% | earnings | MarketBeat | Massachusetts Financial Services Co. MA Has $43.28 Million Stock Holdings in ACI Worldwide, Inc. $ACIW - MarketBeat |
| 2025-07-23 | -2.1% | news | simplywall.st | What Is ACI Worldwide, Inc.'s (NASDAQ:ACIW) Share Price Doing? - simplywall.st |
| 2026-04-07 | -2.0% | news | Moomoo | Is ACI Worldwide, Inc. (NASDAQ:ACIW) Potentially Undervalued? - Moomoo |
| 2026-03-12 | -2.0% | news | Stock Titan | Most billers call their payment tech outdated, ACI survey finds - Stock Titan |
| 2022-06-06 | +1.8% | legal | SEC EDGAR | ACIW 8-K: 5.02 (SEC Filing) |
| 2025-02-19 | -1.8% | news | Yahoo Finance | ACI Worldwide, Inc. (ACIW): Among the Most Promising Technology Stocks to Buy Now - Yahoo Finance |
| 2025-01-13 | +1.8% | news | Seeking Alpha | ACI Worldwide: The Future Has Never Looked So Bright |
| 2026-04-13 | +1.7% | news | GuruFocus | ACI Worldwide Inc (ACIW) Stock Up 3.4% and Still Undervalued -- GF Score: 83/100 - GuruFocus |
| 2021-05-06 | +1.6% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-02-25 | +1.6% | earnings | Seeking Alpha | ACI Worldwide Q4 2025 Earnings Preview |
| 2025-10-12 | -1.6% | earnings | Yahoo Finance | We Ran A Stock Scan For Earnings Growth And ACI Worldwide (NASDAQ:ACIW) Passed With Ease - Yahoo Finance |
| 2024-05-11 | +1.5% | earnings | MarketBeat | ACI Worldwide (ACIW) Stock Forecast and Price Target 2026 - MarketBeat |
| 2025-05-11 | +1.4% | earnings | Seeking Alpha | ACI Worldwide, Inc. 2025 Q1 - Results - Earnings Call Presentation |
| 2025-05-11 | +1.4% | earnings | Seeking Alpha | ACI Worldwide, Inc. (ACIW) Q1 2025 Earnings Call Transcript |
| 2025-07-01 | -1.3% | expansion | Seeking Alpha | ACI Worldwide and iNet extend partnership to bolster fintech growth in Saudi Arabia |
| 2022-05-05 | -1.3% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-03-26 | +1.3% | news | Seeking Alpha | Bullish On ACI Worldwide's Innovating Bet In Global Payments |
| 2024-06-13 | +1.3% | legal | SEC EDGAR | ACIW 8-K: 8.01 and (SEC Filing) |
| 2022-02-24 | +1.2% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-08-26 | -1.2% | news | simplywall.st | Are Investors Undervaluing ACI Worldwide, Inc. (NASDAQ:ACIW) By 41%? - simplywall.st |
| 2021-08-05 | -1.2% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-07-18 | -1.1% | legal | SEC EDGAR | ACIW 8-K: 5.02 (SEC Filing) |
| 2026-04-14 | +1.0% | news | Motley Fool | Is ACI Worldwide Stock a Buy After Reinhart Partners Purchased 1.1 Million Shares? |
| 2026-04-14 | +1.0% | news | The Motley Fool | Is ACI Worldwide Stock a Buy After Reinhart Partners Purchased 1.1 Million Shares? - The Motley Fool |
| 2023-02-17 | -1.0% | legal | SEC EDGAR | ACIW 8-K: 5.02 (SEC Filing) |
| 2022-05-09 | -1.0% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-04-03 | -1.0% | news | Simply Wall St. | Is ACI Worldwide (ACIW) Pricing Reflect A 33% Gap To DCF Estimate |
| 2026-04-03 | -1.0% | earnings | MarketBeat | 68,806 Shares in ACI Worldwide, Inc. $ACIW Acquired by SG Americas Securities LLC - MarketBeat |
| 2025-06-08 | +0.9% | news | Seeking Alpha | ACI Worldwide: What Does Connetic Mean For Their Future? |
| 2025-08-08 | +0.9% | earnings | Seeking Alpha | ACI Worldwide, Inc. (ACIW) Q2 2025 Earnings Call Transcript |
| 2025-06-20 | +0.9% | legal | SEC EDGAR | ACIW 8-K: 1.01, 2.03 (SEC Filing) |
| 2023-05-17 | -0.8% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2024-03-26 | +0.8% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2025-12-30 | -0.8% | news | Yahoo Finance | ACI Worldwide (NASDAQ:ACIW) shareholders have earned a 28% CAGR over the last three years - Yahoo Finance |
| 2023-01-11 | -0.7% | analyst | Zacks Investment Research | What is the current Price Target and Forecast for ACI Worldwide (ACIW) - Zacks Investment Research |
| 2022-11-29 | -0.7% | legal | SEC EDGAR | ACIW 8-K: 5.02 (SEC Filing) |
| 2023-05-31 | -0.6% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2025-03-18 | +0.5% | news | Seeking Alpha | ACI Worldwide and Ingo Payments to power faster, flexible digital disbursements |
| 2025-10-13 | -0.5% | news | Seeking Alpha | ACI Worldwide: Mix Shifting Towards Payment Software Will Continue To Increase Margins |
| 2025-06-09 | -0.5% | executive | Seeking Alpha | ACI Worldwide gets new finance chief |
| 2025-06-09 | -0.5% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-02-12 | -0.4% | news | Investing.com | Aci Worldwide stock hits 52-week low at 38.88 USD - Investing.com |
| 2021-06-08 | +0.4% | legal | SEC EDGAR | ACIW 8-K: 5.02, 5.07 (SEC Filing) |
| 2026-01-16 | -0.4% | news | ChartMill | ACI Worldwide Inc. (NASDAQ:ACIW) Passes Key Peter Lynch GARP Investment Filters - ChartMill |
| 2025-02-21 | -0.4% | news | Intellectia AI | ACIW Forecast — Price Prediction for 2026. Should I Buy ACIW? - Intellectia AI |
| 2026-03-23 | +0.4% | news | Stock Titan | Director at ACI Worldwide (ACIW) receives 1,575 restricted stock units - Stock Titan |
| 2026-04-20 | +0.3% | executive | Quiver Quantitative | ACI WORLDWIDE, INC. ($ACIW) President and CEO 2025 Pay Revealed - Quiver Quantitative |
| 2026-04-20 | +0.3% | news | Stock Titan | [DEF 14A] ACI WORLDWIDE, INC. Definitive Proxy Statement - Stock Titan |
| 2026-04-20 | +0.3% | analyst | Cổng thông tin điện tử Tỉnh Sơn La | ACI Worldwide (ACIW) Stock: Strength or Weakness? (Overhead Buying) 2026-04-20 - Top Analyst Buy Signals - Cổng thông tin điện tử Tỉnh Sơn La |
| 2026-02-19 | +0.3% | news | Stock Titan | When AI starts buying for you, ACI's Bruno says wallets win - Stock Titan |
| 2023-03-01 | +0.2% | legal | SEC EDGAR | ACIW 8-K: 2.02, 7.01, 8.01 (SEC Filing) |
| 2025-08-10 | -0.2% | earnings | simplywall.st | ACI Worldwide, Inc. Just Beat Earnings Expectations: Here's What Analysts Think Will Happen Next - simplywall.st |
| 2023-06-05 | -0.2% | legal | SEC EDGAR | ACIW 8-K: 5.02, 5.07 (SEC Filing) |
| 2026-02-09 | +0.1% | news | ChartMill | ACI Worldwide Inc (NASDAQ:ACIW) Passes Key Peter Lynch Investment Screen - ChartMill |
| 2026-01-06 | +0.1% | news | simplywall.st | Will Weakness in ACI Worldwide, Inc.'s (NASDAQ:ACIW) Stock Prove Temporary Given Strong Fundamentals? - simplywall.st |
| 2025-11-21 | -0.1% | news | simplywall.st | ACI Worldwide, Inc.'s (NASDAQ:ACIW) Business Is Yet to Catch Up With Its Share Price - simplywall.st |
| 2022-07-05 | +0.1% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-03-06 | -0.1% | earnings | MarketBeat | Fisher Asset Management LLC Has $4.44 Million Stake in ACI Worldwide, Inc. $ACIW - MarketBeat |
| 2026-03-06 | -0.1% | earnings | bitget.com | ACI Worldwide (ACIW) Releases Q4 Earnings - bitget.com |
| 2022-04-27 | +0.1% | analyst | eToro | ACIW Stock Price | Analyst Target 63.00 & Consensus - eToro |
| 2025-10-01 | +0.0% | legal | SEC EDGAR | ACIW 8-K: 5.02 and (SEC Filing) |
| 2026-04-26 | — | news | MSN | Is the options market predicting a spike in ACI Worldwide stock? - MSN |
| 2026-04-24 | — | news | Electronic Payments | ACI Worldwide extends ACI Connetic to eight US payment networks |
| 2026-04-24 | — | news | MT Newswires | ACI Worldwide, Kinexys By JP Morgan Collaborate to Integrate Payment Fraud Prevention Software |
| 2026-04-24 | — | news | Business Wire | ACI Worldwide and Kinexys by J.P. Morgan Collaborate to Mitigate Global Real-Time Payments Fraud |
| 2026-04-24 | — | analyst | The Globe and Mail | Analysts Offer Insights on Technology Companies: ACI Worldwide (ACIW) and Adobe (ADBE) - The Globe and Mail |
| 2026-04-24 | — | news | MEXC Exchange | ACIW Price Today: ACI Worldwide, Inc. Stock Price, Quote & Chart | MEXC - MEXC Exchange |
| 2026-04-24 | — | news | Stock Titan | ACI and J.P. Morgan link payee checks to curb instant-payment scams - Stock Titan |