ACIW
ACI WORLDWIDE, INC.
NASDAQ · Technology · Software - Infrastructure · US
$53.28
+2.03%Price chart
Sep 21Sep 24Sep 29Oct 2Oct 7Oct 12Oct 15Oct 20
Key dataOct 20, 2026
Open$52.76
From 52W high−11.47%
Volume40980.00
Market cap$5.38B
P/E (TTM)24.2x
P/S (TTM)3.0x
Div yield—
Key dataOct 20, 2026
Open
$52.76
From 52W high
−11.47%
Volume
40980.00
Market cap
$5.38B
ValuationView details →
P/E (Fwd)
18.8x
EV/EBITDA
13.0x
P/E (TTM)
24.2x
RSI (14)
62.5
MomentumView details →
1D Return
+2.03%
YTD Return
+10.31%
SummaryUpdated Jun 1, 2026
ACI Worldwide, Inc. (NASDAQ:ACIW) is a leading global provider of payment processing software and solutions, founded in 1975 and headquartered in Coral Gables, Florida. Originally known as Transaction Systems Architects, Inc., the company rebranded to ACI Worldwide in 2007 and went public in 1995. ACI has evolved from a traditional software company into a comprehensive digital payments technology provider, serving banks, merchants, and billers across more than 80 countries worldwide. The company has established itself as a critical infrastructure provider in the global payments ecosystem, processing over $14 trillion in payments and 25 billion transactions annually.
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