Aci Worldwide (ACIW) closed at $55.88 on October 23, 2026, down 0.6% from the previous close, on volume of 738,051 shares (30-day average 732,850).
Data as of October 23, 2026.
23-Oct-2026
ACI Worldwide to Report Third Quarter 2026 Financial Results
Business Wire (Thu, 22-Oct 6:32 AM ET)
Federal Home Loan Bank of Cincinnati Moves Member Payment Processing to ACI Connetic
Business Wire (Wed, 30-Sep 6:30 AM ET)
Business Wire (Mon, 28-Sep 7:00 AM ET)
Solaris Goes Live on ACI Worldwide's ACI Connetic for SEPA Instant Payments
Business Wire (Thu, 24-Sep 6:00 AM ET)
ACI Worldwide Extends ACI Connetic to Support Payments Orchestrated Through Swift's Ledger
Business Wire (Tue, 22-Sep 4:00 AM ET)
Business Wire (Fri, 18-Sep 8:05 AM ET)
Business Wire (Thu, 17-Sep 8:10 AM ET)
Business Wire (Wed, 16-Sep 6:15 AM ET)
Business Wire (Tue, 1-Sep 6:00 AM ET)
Business Wire (Thu, 27-Aug 10:01 AM ET)
ACI Worldwide Inc develops, markets, and installs a portfolio of software products focused on facilitating electronic payments. The firm's products are sold and supported directly and through distribution networks covering three geographic regions - the Americas, EMEA, and Asia Pacific. ACI software products process payment transactions for retail banking clients, billers such as utilities and healthcare providers, and community banks and credit unions. ACI's customers are financial institutions all over the world, but the majority of the revenue is generated in the United States and EMEA regions. The company's operating segment includes Payment Software and Biller. The company generates the majority of its revenue from the Payment Software segment.
Aci Worldwide trades on the NASDAQ stock market under the symbol ACIW.
As of October 23, 2026, ACIW stock price declined to $55.88 with 738,051 million shares trading.
ACIW has a beta of 0.34, meaning it tends to be less sensitive to market movements. ACIW has a correlation of 0.02 to the broad based SPY ETF.
ACIW has a market cap of $5.64 billion. This is considered a Mid Cap stock.
Last quarter Aci Worldwide reported $430 million in Revenue and $.54 earnings per share. This beat revenue expectation by $302,400 and exceeded earnings estimates by $.06.
In the last 3 years, ACIW traded as high as $61.08 and as low as $19.56.
The top ETF exchange traded funds that ACIW belongs to (by Net Assets): IJR, VTI, IWM, VB, VGT.
ACIW has underperformed the market in the last year with a return of +12.8%, while SPY returned +14.9%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in ACIW shares. However, ACIW has outperformed the market in the last 3 month and 2 week periods, returning +2.1% and +9.4%, while SPY returned +1.9% and -1.8%, respectively. This indicates ACIW has been having a stronger performance recently.
ACIW support price is $55.18 and resistance is $57.20 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ACIW shares will trade within this expected range on the day.
