ACI Worldwide, Inc. (ACIW) stock
Close on Nov 12, 2026Market cap $6.18BP/E 37.8Yield –
ACI Worldwide, Inc. grew revenue 1.9% to $1.76B over the twelve months to Sep 30, 2026. Operating income fell 23.3% to $263.34M, moving the operating margin from 19.8% to 14.9%. Free cash flow was $358.12M, up 14.5% from a year earlier. At the latest close the market valued the company at $6.18B, 37.8 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $6.18B
- P/E ratio
- 37.8
- Price to sales
- 3.50
- Price to book
- 4.14
- Dividend yield
- –
- Free cash flow yield
- 5.79%
Fundamentals
- Revenue
- $1.76B
- Net income
- $166.97M
- EPS, diluted
- $1.62
- Free cash flow
- $358.12M
- Book value per share
- $14.74
- Diluted shares
- 101M
Trading
- Next earnings
- Feb 25, 2027 (estimated, before the open)
- Previous close
- $61.85
- Open
- $62.00
- Day's range
- $61.02 – $62.72
- Volume
- 720,356
- Average volume (20 days)
- 1,086,317
- Index membership
- S&P SmallCap 600 (since Nov 2023), Russell 2000, Russell 3000
- Beta (5 years)
- 1.00
- 52-week range
- $38.05 – $63.10
- RSI (14 days)
- 81.7
- Volatility (1 year)
- 33.9%
- Relative volume
- 0.73×
- WACC
- 9.2%
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Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2009, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | ACIW | S&P 500 | Difference | ACIW per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +20.0% | -2.7% | +22.7 pts | ||
| 3 months | +16.1% | -1.7% | +17.9 pts | ||
| Year to date | +28.1% | +11.9% | +16.2 pts | ||
| 1 year | +28.8% | +12.0% | +16.8 pts | ||
| 3 years | +134.7% | +78.2% | +56.5 pts | +32.9% | +21.2% |
| 5 years | +74.3% | +73.2% | +1.0 pts | +11.8% | +11.6% |
| 10 years | +228.5% | +309.6% | −81.2 pts | +12.6% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases ACI Worldwide filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Results
- Results
About ACI Worldwide
Services-Prepackaged Software
ACI Worldwide develops, markets, installs, and supports software solutions designed for digital payments orchestration, transaction processing, and fraud management. Its product portfolio spans card issuing and acquiring, account-to-account real-time payments, electronic bill presentment and payment, and artificial intelligence-driven payments intelligence and risk management. The company serves banks, central banks, transaction processors, payment intermediaries, merchants, and billers across consumer finance, insurance, healthcare, utilities, and telecommunications.
Company profile, executives and historyACI Worldwide stock: common questions
What is ACI Worldwide's stock price?
ACIW closed at $61.26 on Nov 12, 2026, down 0.95% on the day. Over the past 52 weeks it traded between $38.05 and $63.10.
What is ACI Worldwide's market cap?
ACI Worldwide was worth $6.18B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is ACIW's P/E ratio?
ACIW trades at 37.8 times earnings, based on diluted earnings per share of $1.62 over the twelve months to Sep 30, 2026.
How much revenue does ACI Worldwide make?
ACI Worldwide reported revenue of $1.76B for the twelve months to Sep 30, 2026, up 1.9% from a year earlier.
Does ACI Worldwide pay a dividend?
No. ACI Worldwide has not paid a cash dividend over the last twelve months.
When does ACI Worldwide report earnings next?
ACI Worldwide is expected to report Q4 FY2026 results on Feb 25, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.
How has ACIW stock performed over the past year?
Including dividends, ACIW returned +28.8% over the past year, against +12.0% for the S&P 500.
How many ACIW shares are sold short?
6M shares were sold short at the latest FINRA report, 5.81% of the float, or 7.0 days of average trading volume.
Who are ACI Worldwide's competitors?
Companies most similar to ACI Worldwide by business, industry and size include BSY, TDC, BILL, NET, PCOR.
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