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ACI Worldwide, Inc. (ACIW)

NASDAQ

$51.66

$-1.48

(-2.79%)

Regular Market

ACI Worldwide, Inc. (ACIW) Live Price Chart

Last updated: ⁦2026-09-08 18:33:40⁩. Prices reflect the latest regular market data. Stock price data is sourced from Massive.

Summary

ACI Worldwide, Inc. (ACIW) operates in the SERVICES-PREPACKAGED SOFTWARE sector and is listed on NASDAQ. The stock is currently priced at $51.66, with a market capitalization of $5.35B and a P/E ratio of --. Over the past 52 weeks, its price has ranged from $38.05 to $61.08. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$5.35B
Open	$51.95
Day's High	$65.94
Day's Low	$8.86
Previous Close	$52.95
Volume	412.07K
Average Volume	1.04M
P/E Ratio	--
52-Week High	$61.08
52-Week Low	$38.05
Dividend Yield	--
Earnings Date	--

ACI Worldwide, Inc. (ACIW) Stock Price Today

ACI Worldwide, Inc. (ACIW) is currently trading at $51.66 as of 2026-09-08 18:31:00, down 2.44% ($1.29) from the previous close of $52.95

During today's regular trading session, ACIW has traded between $8.86 and $65.94, with a trading volume of 412.07K shares. The current price is near the upper end of today's range.

ACI Worldwide, Inc. (ACIW) 7-Day Stock Price Change

Over the past seven days, ACI Worldwide, Inc. (ACIW) moved from $54.23 to $51.66, representing a decline of 4.74% ($2.57).

The stock traded between $50.52 and $54.59 during the period. The latest price is near the lower end of the 7-day range, indicating moderate downward.

The average daily volume was 749.69 thousand shares, up versus the previous seven-day period, indicating higher trading activity.

ACIW 52-Week Price Position

Position in Range: 59.1%

52W Low$38.05

52W High$61.08

ACIW is currently trading at $51.66, placing it 59.1% of the way from its 52-week low of $38.05 to its 52-week high of $61.08. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is ACI Worldwide, Inc. (ACIW)?

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, Inc. Information

Industry	SERVICES-PREPACKAGED SOFTWARE
Employees	2930
Exchange	NASDAQ
Company Website	https://www.aciworldwide.com

How to Buy ACI Worldwide, Inc. (ACIW) Stock on MEXC

Eligible investors can buy real shares of ACI Worldwide, Inc. (ACIW) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for ACIW and Place Your Order

Open the RealStocks trading page and search for ACIW. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is ACI Worldwide, Inc. (ACIW) stock price today?

ACI Worldwide, Inc. (ACIW) is currently trading at $ 51.66, down 2.44% ($1.29) from the previous close of $ 52.95. Intraday prices update in real time during regular trading hours.

2.Is ACIW stock going up or down today?

As of 2026-09-08 18:31:00, ACIW is trading at $ 51.66, down 2.44% ($1.29) from its previous close of $ 52.95. The stock has traded between $ 8.86 and $ 65.94 during today’s regular session. Past price movements do not guarantee future results.

3.What is ACIW pre-market price?

As of 2026-09-08 18:31:00, ACIW is trading at $ 53.40 in pre-market trading, up 0.85% ($0.45) from the previous close of $ 52.95. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is ACIW after-hours price?

As of 2026-09-08 18:31:00, ACIW is trading at $ 52.94 in after-hours trading, down 0.03% ($0.02) from the regular-session close of $ 52.95. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is ACIW stock trading now?

ACIW trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does ACIW sit relative to its 52-week high and low?

Over the past 52 weeks, ACIW has traded between a low of $ 38.05 and a high of $ 61.08. At $ 51.66, the stock is positioned 59.1% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is ACI Worldwide, Inc. in?

ACI Worldwide, Inc. (ACIW) operates in the SERVICES-PREPACKAGED SOFTWARE sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is ACI Worldwide, Inc.'s market capitalization and where is it listed?

ACI Worldwide, Inc. is listed on the NASDAQ exchange with a market capitalization of $ 5.35B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is ACIW valued in terms of P/E ratio and EPS?

ACIW trades at a P/E ratio of --, based on trailing-twelve-month EPS of --. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does ACI Worldwide, Inc. pay a dividend?

ACI Worldwide, Inc. pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of --% based on the latest share price. Dividend policies are subject to change at the board's discretion.