Compare · ACIW vs FIS
ACIW vs FIS
Side-by-side comparison of ACI Worldwide Inc. (ACIW) and Fidelity National Information Services Inc. (FIS): market cap, price performance, sector, and recent activity on the wire.
Summary
- ACIW operates in Technology, while FIS operates in Real Estate - the two are in different parts of the market.
- FIS is the larger of the two at $17.67B, about 3.4x ACIW ($5.15B).
- Over the past year, ACIW is down 0.5% and FIS is down 48.0% - ACIW leads by 47.5 points.
- FIS has been more active in the news (7 items in the past 4 weeks vs 5 for ACIW).
- FIS has more recent analyst coverage (25 ratings vs 8 for ACIW).
- Company
- ACI Worldwide Inc.
- Fidelity National Information Services Inc.
- Price
- -
- -
- Market cap
- $5.15B
- $17.67B
- 1M return
- -2.74%
- -7.78%
- 1Y return
- -0.54%
- -48.03%
- Industry
- Computer Software: Prepackaged Software
- Real Estate
- Exchange
- NASDAQ
- NYSE
- IPO
- News (4w)
- 5
- 7
- Recent ratings
- 8
- 25
ACI Worldwide Inc.
ACI Worldwide, Inc., a software company, develops, markets, installs, and supports a range of software products and solutions for facilitating electronic payments to banks, financial intermediaries, merchants, and billers worldwide. The company offers ACI Acquiring, a merchant management system to deliver digital innovation, improve fraud prevention, and reduce interchange fees; ACI Issuing, a digital payments issuing solution; and ACI Enterprise Payments Platform that provides payment processing and orchestration capabilities for digital payments. It also provides ACI Low Value Real-Time Payments, a platform for processing real-time payments; and ACI High Value Real-Time Payments, a payments engine that offers multi-bank, multi-currency, 24x7 payment processing, and SWIFT messaging. In addition, the company offers ACI Omni Commerce, a scalable, omni-channel payment processing platform; ACI Secure eCommerce solution; ACI Fraud Management, a real-time approach to fraud management; ACI Digital Business Banking, a cloud-based digital banking platform; and ACI Speedpay, an integrated suite of digital billing, payment, disbursement, and communication services. The company offers electronic bill presentment and payment services to consumer finance, insurance, healthcare, higher education, utility, government, and mortgage sectors; implementation services, including product installations and configurations, and custom software modifications; and business and technical consultancy, on-site support, product education, and testing services, as well as distributes or acts as a sales agent for software developed by third parties. It markets its products under the ACI Worldwide brand. The company was formerly known as Transaction Systems Architects, Inc. and changed its name to ACI Worldwide, Inc. in July 2007. The company was founded in 1975 and is headquartered in Naples, Florida.
Fidelity National Information Services Inc.
Fidelity National Information Services, Inc. provides technology solutions for merchants, banks, and capital markets firms worldwide. It operates through Merchant Solutions, Banking Solutions, and Capital Market Solutions segments. The Merchant Solutions segment offers merchant acquiring, integrated payment, and global e-commerce solutions. The Banking Solutions segment provides core processing and ancillary applications; digital solutions, including Internet, mobile, and e-banking; fraud, risk management, and compliance solutions; electronic funds transfer and network services; card and retail payment solutions; wealth and retirement solutions; and item processing and output services. The Capital Market Solutions segment offers securities processing and finance, global trading, asset management and insurance, and corporate liquidity solutions. The company was founded in 1968 and is headquartered in Jacksonville, Florida.
Latest ACIW
- Federal Home Loan Bank of Cincinnati Moves Member Payment Processing to ACI Connetic
- ACI Worldwide and Cognizant Demonstrate Strong Card Processing Performance on Amazon Web Services, Inc. (AWS)
- Chief Financial Officer Leibrock Robert William returned $157,593 worth of shares to the company (3,176 units at $49.62), decreasing direct ownership by 2% to 200,725 units (SEC Form 4)
- Solaris Goes Live on ACI Worldwide’s ACI Connetic for SEPA Instant Payments
- ACI Worldwide Extends ACI Connetic to Support Payments Orchestrated Through Swift’s Ledger
- Nearly 60% of US Adults Can't Cover a $1,000 Emergency Expense, Driving Demand for Greater Control and Flexibility in Bill Payment, Finds ACI Speedpay Pulse Report
- ACI Worldwide Expands ACI Connetic with Advanced Financial Messaging Technology to Power Intelligent, Future-Ready Payments
- Only 7% of Fashion Shoppers Trust AI to Buy for Them Today, Showing Merchants Must Build Confidence in Agentic Commerce
- Chief Financial Officer Leibrock Robert William returned $100,870 worth of shares to the company (1,905 units at $52.95), decreasing direct ownership by 0.93% to 203,901 units (SEC Form 4)
- GM, ACI Speedpay Shultz Ronald Craig returned $99,228 worth of shares to the company (1,874 units at $52.95), decreasing direct ownership by 3% to 58,825 units (SEC Form 4)
Latest FIS
- FIS to Report Third Quarter Earnings on November 3, 2026
- FIS Equips CFOs With Agentic AI to Forecast Cash Flow and Surface Risk Earlier
- FIS Ranks First in 2026 IDC FinTech Rankings Top 100
- Kredittbanken Selects FIS® Total Issuing™ PRIME in the Cloud to Modernize its Platform
- FIS Delivers Real-Time Transaction Clarity to Debit Cardholders
- FIS Moves Retirement Recordkeeping Into Real Time With Cloud-Native Platform
- FIS Receives Dual Recognition in 2026 Gartner® Magic Quadrant™ for Retail Core Banking Systems, North America
- FIS Builds Core Banking Momentum Across New $100 Billion Bank and Five New Charters
- Piper Sandler initiated coverage on Fidelity Nat'l Info with a new price target
- Community and Regional Banks are Choosing FIS to Accelerate Modernization