ACI Worldwide Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 29, 2026	42.73	44.09	42.59	43.67	43.67	3.00%	1,066,015
May 28, 2026	42.26	42.73	42.02	42.40	42.40	0.19%	469,673
May 27, 2026	41.58	43.06	41.58	42.32	42.32	-0.07%	847,171
May 26, 2026	42.17	42.76	41.84	42.35	42.35	-0.87%	525,351
May 22, 2026	42.52	43.42	42.25	42.72	42.72	0.47%	494,356
May 21, 2026	42.81	43.03	41.42	42.52	42.52	-1.69%	469,551
May 20, 2026	42.37	43.37	41.59	43.25	43.25	1.55%	511,171
May 19, 2026	43.39	44.00	42.32	42.59	42.59	-0.49%	667,390
May 18, 2026	41.67	43.53	41.58	42.80	42.80	2.74%	924,198
May 15, 2026	41.31	42.23	40.93	41.66	41.66	1.93%	808,037
May 14, 2026	41.24	41.44	40.00	40.87	40.87	0.15%	675,364
May 13, 2026	41.70	42.06	40.54	40.81	40.81	-3.25%	701,245
May 12, 2026	42.93	43.15	41.82	42.18	42.18	-0.42%	788,109
May 11, 2026	44.89	45.30	42.09	42.36	42.36	-6.92%	987,281
May 8, 2026	46.10	46.73	45.02	45.51	45.51	-2.44%	912,462
May 7, 2026	47.30	48.54	45.46	46.65	46.65	7.81%	1,323,939
May 6, 2026	44.14	44.33	42.95	43.27	43.27	-2.02%	871,655
May 5, 2026	44.36	44.56	43.65	44.16	44.16	-0.27%	487,240
May 4, 2026	43.71	44.98	43.71	44.28	44.28	0.96%	496,896
May 1, 2026	44.05	44.73	43.31	43.86	43.86	1.48%	531,930
Apr 30, 2026	43.04	43.55	42.59	43.22	43.22	-0.87%	722,246
Apr 29, 2026	43.12	44.03	43.12	43.60	43.60	-0.77%	547,731
Apr 28, 2026	43.93	44.40	43.44	43.94	43.94	1.31%	610,902
Apr 27, 2026	42.84	44.06	42.37	43.37	43.37	0.42%	573,155
Apr 24, 2026	42.20	43.21	41.83	43.19	43.19	2.32%	575,979
Apr 23, 2026	43.60	44.57	41.50	42.21	42.21	-4.61%	637,468
Apr 22, 2026	44.82	44.86	43.76	44.25	44.25	0.07%	542,744
Apr 21, 2026	45.21	46.04	44.06	44.22	44.22	-2.06%	1,342,922
Apr 20, 2026	44.10	45.46	44.10	45.15	45.15	1.53%	1,304,534
Apr 17, 2026	44.05	44.99	43.63	44.47	44.47	3.90%	1,182,889
Apr 16, 2026	42.81	43.14	42.04	42.80	42.80	0.75%	1,102,851
Apr 15, 2026	41.70	42.87	41.70	42.48	42.48	2.48%	723,705
Apr 14, 2026	41.33	42.08	41.09	41.45	41.45	0.51%	548,634
Apr 13, 2026	39.73	41.37	39.61	41.24	41.24	3.38%	910,744
Apr 10, 2026	40.77	40.77	39.52	39.89	39.89	-2.11%	447,349
Apr 9, 2026	40.93	40.93	39.35	40.75	40.75	-1.52%	658,010
Apr 8, 2026	41.97	42.17	41.36	41.38	41.38	1.47%	865,442
Apr 7, 2026	41.10	41.34	40.67	40.78	40.78	-0.85%	440,758
Apr 6, 2026	41.34	41.47	40.92	41.13	41.13	-0.48%	436,581
Apr 2, 2026	40.64	41.60	39.80	41.33	41.33	0.90%	739,842
Apr 1, 2026	41.16	41.50	40.50	40.96	40.96	-0.12%	647,514
Mar 31, 2026	40.88	41.30	40.19	41.01	41.01	1.74%	604,731
Mar 30, 2026	40.70	40.86	40.02	40.31	40.31	1.08%	781,827
Mar 27, 2026	40.25	40.25	39.31	39.88	39.88	-2.40%	663,852
Mar 26, 2026	40.10	41.23	39.86	40.86	40.86	2.05%	626,286
Mar 25, 2026	40.13	40.80	38.70	40.04	40.04	0.45%	786,208
Mar 24, 2026	40.40	40.52	39.45	39.86	39.86	-2.52%	677,031
Mar 23, 2026	40.47	41.08	39.93	40.89	40.89	3.68%	748,100
Mar 20, 2026	39.62	39.87	38.95	39.44	39.44	-0.60%	1,382,785
Mar 19, 2026	39.08	39.84	38.80	39.68	39.68	1.41%	756,709