Stock listing
NASDAQ:ACIW ACI Worldwide, Inc. Stock
Home listing (NASDAQ) of ACI Worldwide, Inc.
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Share price · NASDAQ:ACIW
$52.22 USD -0.58 (-1.1%)
Close on Oct 19, 2026
- Day range
- $52.06 – $53.34 USDOct 19, 2026
- Volume
- 741,247 sharesOct 19, 2026
- Market value
- $5.27B USDAt the close on Oct 19, 2026 · price × 101.0M shares outstanding
- 52-week range
- $38.05 – $61.08 USDLowest and highest trades, Oct 20, 2025 – Oct 19, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ACIW · Home | $52.22 USD | -0.58 (-1.1%) | 741,247 | $52.06 | $53.34 | $52.06 | $52.80 | Close on Oct 19, 2026 |
| Frankfurt:TSA | €46.80 EUR | +0.20 (+0.4%) | — | €46.80 | €46.80 | €46.80 | €46.60 | Close on Oct 19, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 19, 2026 · NASDAQ:ACIW · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $52.22 | -0.58 | -1.1% | $52.06 | $53.34 | $52.06 | 741,247 | |
| $52.80 | +0.25 | +0.5% | $53.00 | $53.44 | $51.55 | 837,056 | |
| $52.55 | +1.48 | +2.9% | $51.77 | $52.77 | $51.65 | 843,706 | |
| $51.07 | -0.13 | -0.3% | $50.94 | $51.24 | $50.52 | 602,208 | |
| $51.20 | +0.14 | +0.3% | $51.47 | $52.00 | $51.01 | 541,500 | |
| $51.06 | +0.19 | +0.4% | $50.99 | $51.56 | $50.99 | 581,400 | |
| $50.87 | -0.20 | -0.4% | $51.31 | $51.57 | $50.39 | 463,400 | |
| $51.07 | +0.42 | +0.8% | $50.56 | $51.15 | $50.18 | 493,800 | |
| $50.65 | -0.06 | -0.1% | $50.25 | $50.97 | $50.25 | 587,500 | |
| $50.71 | -0.51 | -1.0% | $51.60 | $51.60 | $50.19 | 730,900 | |
| $51.22 | +1.07 | +2.1% | $50.16 | $51.65 | $50.15 | 1,007,400 | |
| $50.15 | +0.46 | +0.9% | $50.44 | $50.91 | $49.59 | 577,600 | |
| $49.69 | +0.81 | +1.7% | $49.28 | $50.26 | $49.11 | 840,600 | |
| $48.88 | +0.29 | +0.6% | $48.20 | $49.37 | $47.81 | 1,121,400 | |
| $48.59 | -0.41 | -0.8% | $48.75 | $49.20 | $48.31 | 648,000 | |
| $49.00 | -0.51 | -1.0% | $48.51 | $49.18 | $48.28 | 465,800 | |
| $49.51 | -0.11 | -0.2% | $49.60 | $49.98 | $49.44 | 585,400 | |
| $49.62 | +0.40 | +0.8% | $49.71 | $49.92 | $48.84 | 491,000 | |
| $49.22 | +0.03 | +0.1% | $49.12 | $49.83 | $48.86 | 537,300 | |
| $49.19 | -0.40 | -0.8% | $50.62 | $50.78 | $48.80 | 779,900 | |
| $49.59 | -0.68 | -1.4% | $50.27 | $50.64 | $49.57 | 657,400 | |
| $50.27 | -0.91 | -1.8% | $51.31 | $51.31 | $50.00 | 1,679,000 | |
| $51.18 | -0.40 | -0.8% | $51.54 | $51.76 | $50.93 | 688,600 | |
| $51.58 | +0.29 | +0.6% | $50.63 | $52.02 | $50.46 | 646,700 | |
| $51.29 | -1.36 | -2.6% | $52.04 | $52.43 | $51.02 | 944,600 | |
| $52.65 | +0.56 | +1.1% | $53.18 | $53.60 | $52.19 | 667,700 | |
| $52.09 | +0.12 | +0.2% | $52.23 | $52.35 | $51.42 | 616,900 | |
| $51.97 | +0.01 | 0.0% | $51.83 | $52.18 | $51.25 | 715,200 | |
| $51.96 | -0.02 | 0.0% | $51.63 | $51.99 | $50.95 | 845,700 | |
| $51.98 | -0.97 | -1.8% | $51.95 | $52.24 | $50.77 | 969,200 | |
| $52.95 | +0.04 | +0.1% | $52.12 | $53.11 | $51.94 | 586,300 | |
| $52.91 | +0.45 | +0.9% | $53.11 | $53.73 | $52.21 | 596,100 | |
| $52.46 | +1.23 | +2.4% | $51.39 | $52.55 | $50.52 | 602,300 | |
| $51.23 | -2.05 | -3.8% | $52.67 | $53.00 | $51.05 | 823,300 | |
| $53.28 | -0.55 | -1.0% | $53.23 | $53.85 | $52.90 | 1,050,000 | |
| $53.83 | -0.40 | -0.7% | $54.14 | $54.59 | $53.67 | 862,500 | |
| $54.23 | +1.19 | +2.2% | $53.16 | $54.26 | $52.99 | 726,100 | |
| $53.04 | +0.64 | +1.2% | $51.87 | $53.05 | $51.64 | 736,500 | |
| $52.40 | -0.01 | 0.0% | $52.37 | $52.70 | $51.72 | 645,367 | |
| $52.41 | +0.55 | +1.1% | $51.94 | $52.71 | $51.94 | 559,674 | |
| $51.86 | +0.29 | +0.6% | $51.55 | $52.51 | $51.31 | 562,700 | |
| $51.57 | -0.40 | -0.8% | $51.79 | $52.08 | $51.38 | 632,700 | |
| $51.97 | -0.20 | -0.4% | $52.21 | $53.00 | $51.77 | 955,200 | |
| $52.17 | +0.04 | +0.1% | $52.68 | $53.50 | $51.83 | 966,300 | |
| $52.13 | -1.31 | -2.5% | $52.62 | $53.11 | $51.86 | 1,155,900 | |
| $53.44 | -0.22 | -0.4% | $53.96 | $54.13 | $52.49 | 680,800 | |
| $53.66 | +0.91 | +1.7% | $53.20 | $53.75 | $52.06 | 1,002,300 | |
| $52.75 | +0.51 | +1.0% | $51.70 | $52.78 | $51.60 | 916,100 | |
| $52.24 | -0.61 | -1.2% | $52.49 | $53.07 | $51.98 | 1,105,900 | |
| $52.85 | -0.82 | -1.5% | $52.50 | $53.40 | $51.87 | 1,562,400 | |
| $53.67 | -1.55 | -2.8% | $54.66 | $55.44 | $52.85 | 2,454,300 | |
| $55.22 | -2.57 | -4.4% | $52.90 | $57.01 | $51.07 | 1,883,200 | |
| $57.79 | +0.59 | +1.0% | $58.77 | $59.11 | $56.80 | 971,100 | |
| $57.20 | -0.17 | -0.3% | $56.84 | $57.53 | $55.73 | 2,120,200 | |
| $57.37 | +0.04 | +0.1% | $58.39 | $59.30 | $56.62 | 931,500 | |
| $57.33 | -0.36 | -0.6% | $57.00 | $57.72 | $56.68 | 733,000 | |
| $57.69 | -2.49 | -4.1% | $59.15 | $59.24 | $57.37 | 661,700 | |
| $60.18 | +0.21 | +0.4% | $60.06 | $61.08 | $59.68 | 1,086,600 | |
| $59.97 | +2.09 | +3.6% | $58.63 | $60.53 | $58.63 | 634,700 | |
| $57.88 | +1.57 | +2.8% | $57.27 | $58.21 | $57.00 | 951,600 | |
| $56.31 | +1.78 | +3.3% | $55.16 | $56.76 | $55.11 | 507,900 | |
| $54.53 | -0.18 | -0.3% | $54.64 | $55.28 | $53.98 | 583,100 | |
| $54.71 | -1.98 | -3.5% | $56.36 | $57.20 | $54.25 | 978,000 | |
| $56.69 | -0.18 | -0.3% | $55.71 | $57.00 | $55.70 | 869,376 | |
| $56.87 | -1.20 | -2.1% | $57.98 | $58.00 | $56.76 | 892,873 |
- Ticker
- NASDAQ:ACIW
- Asset type
- Stock
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Sep 28, 2026
ACI Worldwide and Cognizant Demonstrate Strong Card Processing Performance on Amazon Web Services, Inc. (AWS)
Latest earnings call · Aug 6, 2026
ACI Worldwide (NASDAQ:ACIW) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 6, 2026
Q2 2026 Earnings Presentation
Earnings · 17 slides
Calls
Replays
ACI Worldwide (NASDAQ:ACIW) Q2 2026 Earnings Call
Thu, Aug 06, 2026 · 8:30 AM ET
Watch TranscriptACI Worldwide (NASDAQ:ACIW) Q1 2026 Earnings Call
Thu, May 07, 2026 · 8:30 AM ET
Watch TranscriptACI Worldwide (NASDAQ:ACIW) Q4 2025 Earnings Call
Thu, Feb 26, 2026 · 8:30 AM ET
Watch Transcript
Latest news
ACI Worldwide and Cognizant Demonstrate Strong Card Processing Performance on Amazon Web Services, Inc. (AWS)
Sep 28, 2026
Closed $49.00 (-1.0%) on Sep 28, 2026
ACI Worldwide Extends ACI Connetic to Support Payments Orchestrated Through Swift’s Ledger
Sep 22, 2026
Closed $49.19 (-0.8%) on Sep 22, 2026
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
Sep 18, 2026
Closed $50.27 (-1.8%) on Sep 18, 2026
ACI Worldwide Expands ACI Connetic with Advanced Financial Messaging Technology to Power Intelligent, Future-Ready Payments
Sep 17, 2026
Closed $51.18 (-0.8%) on Sep 17, 2026
Only 7% of Fashion Shoppers Trust AI to Buy for Them Today, Showing Merchants Must Build Confidence in Agentic Commerce
Sep 16, 2026
Closed $51.58 (+0.6%) on Sep 16, 2026
ACI Worldwide to Add Microservices Card Switching to ACI Connetic for Cards via Acquisition of Cranium Ventures
Sep 1, 2026
Closed $51.23 (-3.8%) on Sep 1, 2026
Retailers Rank Richer Payments Data as the Top Benefit of Payments Orchestration, New ACI Worldwide Research Finds
Aug 27, 2026
Closed $54.23 (+2.2%) on Aug 27, 2026
Inter Pag Selects ACI Worldwide to Advance Intelligent Payments Orchestration in Brazil
Aug 21, 2026
Closed $51.86 (+0.6%) on Aug 21, 2026
ACI Worldwide Reports Strong Second Quarter 2026 Results and Raises Full-Year Guidance
Aug 6, 2026
Closed $55.22 (-4.4%) on Aug 6, 2026
ACI Worldwide to Participate in Upcoming Investor Conferences
Aug 5, 2026
Closed $57.79 (+1.0%) on Aug 5, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 17 slides · Aug 6, 2026
Q1 2026 Earnings Presentation
Earnings · 17 slides · May 7, 2026
Q4 2025 Earnings Presentation
Earnings · 16 slides · Feb 26, 2026
Investor Presentation (2026)
Investor deck · 22 slides · 2026
ACI Worldwide, Inc. on 6ix
- News releases
- 48 in the last 12 months · 291 in all · newest Sep 28, 2026 · oldest 2019
- Calls
- 24 calls with a replay · 24 with a transcript · latest Aug 6, 2026
- Decks
- 124 decks · latest Aug 6, 2026
Where ACI Worldwide, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ACIW · Home listing · This page | NASDAQ | United States | USD |
| gettex:TSA | gettex | Germany | EUR |
| LS Exchange:A0MXU1 | LS Exchange | Germany | EUR |
| BOATS:ACIW | BOATS | United States | USD |
| Lang & Schwarz:A0MXU1 | Lang & Schwarz | Germany | EUR |
| Frankfurt:TSA | Frankfurt | Germany | EUR |
| Tradegate:TSA | Tradegate | Germany | EUR |
| BX Swiss:TSA | BX Swiss | Switzerland | CHF |
| Dusseldorf:TSA | Dusseldorf | Germany | EUR |
| Stuttgart:TSA | Stuttgart | Germany | EUR |
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