ACI Worldwide (ACIW) - Market capitalization

Market cap: £4.19 Billion

As of October 2026 ACI Worldwide has a market cap of £4.19 Billion. This makes ACI Worldwide the world's 2939th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of ACI Worldwide from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£4.19 B	12.4%
2025	£3.73 B	-13.92%
2024	£4.33 B	66.12%
2023	£2.61 B	22.23%
2022	£2.13 B	-29.31%
2021	£3.02 B	-8.19%
2020	£3.29 B	-1.76%
2019	£3.35 B	32.38%
2018	£2.53 B	27.26%
2017	£1.98 B	15.29%
2016	£1.72 B	0.37%
2015	£1.71 B	14.74%
2014	£1.49 B	-2.15%
2013	£1.53 B	43.59%
2012	£1.06 B	72.72%
2011	£0.61 B	6.6%
2010	£0.57 B	60.55%
2009	£0.36 B	-4.75%
2008	£0.37 B	9.91%
2007	£0.34 B	-43.72%
2006	£0.61 B	-1.29%
2005	£0.62 B	57.67%
2004	£0.39 B	-13.85%
2003	£0.45 B	217.73%
2002	£0.14 B	-51.81%
2001	£0.29 B	10.26%
2000	£0.27 B	-52.21%
1999	£0.56 B	-39.78%
1998	£0.93 B	44.43%
1997	£0.65 B	28.05%
1996	£0.50 B

End of Day market cap according to different sources

On Oct 29th, 2026 the market cap of ACI Worldwide was reported to be:

£4.19 Billion

by Nasdaq

£4.19 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Mastercard MA	£415.63 B	9,803.24%	🇺🇸 USA
Oracle ORCL	£315.76 B	7,423.75%	🇺🇸 USA
IBM IBM	£182.19 B	4,241.04%	🇺🇸 USA
Fidelity National Information Services FIS	£14.38 B	242.67%	🇺🇸 USA
Fiserv FISV	£19.24 B	358.46%	🇺🇸 USA
Intuit INTU	£66.05 B	1,473.94%	🇺🇸 USA
Jack Henry & Associates JKHY	£8.35 B	99.02%	🇺🇸 USA
Bottomline Technologies EPAY	£1.93 B	-54.00%	🇺🇸 USA
Fair Isaac (FICO) FICO	£11.43 B	172.38%	🇺🇸 USA
NCR Corporation NCR	£2.84 B	-32.15%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of ACI Worldwide (ACIW)

Market cap: £4.19 Billion