ACI Worldwide Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Mar 18, 2026	39.47	40.06	39.10	39.13	39.13	-1.83%	574,774
Mar 17, 2026	39.77	41.01	39.67	39.86	39.86	0.78%	551,198
Mar 16, 2026	39.99	40.22	39.31	39.55	39.55	-0.55%	587,660
Mar 13, 2026	40.63	41.47	39.51	39.77	39.77	-1.63%	535,551
Mar 12, 2026	40.96	41.92	40.32	40.43	40.43	-2.44%	821,588
Mar 11, 2026	42.30	42.87	40.77	41.44	41.44	-1.50%	804,333
Mar 10, 2026	42.72	43.00	41.27	42.07	42.07	-1.31%	950,142
Mar 9, 2026	42.09	43.01	40.89	42.63	42.63	0.19%	948,560
Mar 6, 2026	42.41	42.87	41.68	42.55	42.55	-0.72%	778,681
Mar 5, 2026	42.37	42.91	41.69	42.86	42.86	0.99%	783,150
Mar 4, 2026	42.43	42.85	41.34	42.44	42.44	2.49%	926,229
Mar 3, 2026	40.19	41.94	39.65	41.41	41.41	2.63%	735,596
Mar 2, 2026	39.08	41.16	38.74	40.35	40.35	1.69%	1,124,198
Feb 27, 2026	39.59	40.07	39.24	39.68	39.68	-0.30%	1,381,403
Feb 26, 2026	40.23	41.07	38.06	39.80	39.80	-4.05%	2,684,508
Feb 25, 2026	39.20	41.66	38.84	41.48	41.48	6.14%	1,756,784
Feb 24, 2026	38.49	39.71	38.49	39.08	39.08	1.59%	857,237
Feb 23, 2026	40.78	41.07	38.20	38.47	38.47	-5.90%	800,680
Feb 20, 2026	40.75	41.62	40.51	40.88	40.88	0.32%	620,021
Feb 19, 2026	40.63	40.81	40.20	40.75	40.75	0.39%	519,519
Feb 18, 2026	40.77	41.20	40.53	40.59	40.59	0.02%	712,324
Feb 17, 2026	40.31	41.08	40.17	40.58	40.58	2.58%	957,795
Feb 13, 2026	39.66	40.50	39.52	39.56	39.56	0.74%	652,144
Feb 12, 2026	40.49	41.25	38.53	39.27	39.27	-2.63%	875,851
Feb 11, 2026	42.45	42.64	40.28	40.33	40.33	-4.93%	1,389,050
Feb 10, 2026	41.97	42.74	41.83	42.42	42.42	1.41%	505,961
Feb 9, 2026	41.93	42.15	41.45	41.83	41.83	-1.06%	611,824
Feb 6, 2026	41.17	42.40	41.17	42.28	42.28	3.98%	951,977
Feb 5, 2026	41.57	42.20	40.50	40.66	40.66	-0.76%	1,072,765
Feb 4, 2026	39.26	41.42	38.89	40.97	40.97	3.67%	925,171
Feb 3, 2026	42.77	42.83	38.89	39.52	39.52	-9.04%	2,170,950
Feb 2, 2026	43.36	44.51	43.05	43.45	43.45	0.21%	982,947
Jan 30, 2026	43.08	44.06	42.82	43.36	43.36	0.37%	1,140,638
Jan 29, 2026	43.32	43.45	41.86	43.20	43.20	-0.69%	922,764
Jan 28, 2026	44.92	45.28	43.44	43.50	43.50	-2.68%	651,516
Jan 27, 2026	44.87	44.87	43.83	44.70	44.70	-0.25%	659,214
Jan 26, 2026	44.03	45.02	44.01	44.81	44.81	1.77%	626,314
Jan 23, 2026	43.73	44.13	43.34	44.03	44.03	0.69%	489,089
Jan 22, 2026	43.12	44.04	43.12	43.73	43.73	1.93%	598,961
Jan 21, 2026	42.50	43.30	42.48	42.90	42.90	1.20%	635,258
Jan 20, 2026	42.35	43.11	42.00	42.39	42.39	-1.40%	551,875
Jan 16, 2026	43.49	44.06	42.65	42.99	42.99	-1.15%	732,534
Jan 15, 2026	45.47	45.72	43.40	43.49	43.49	-4.35%	971,229
Jan 14, 2026	45.46	45.67	44.86	45.47	45.47	-0.35%	426,304
Jan 13, 2026	47.03	47.53	45.12	45.63	45.63	-3.12%	468,729
Jan 12, 2026	46.47	47.41	46.05	47.10	47.10	0.71%	540,372
Jan 9, 2026	46.62	47.11	46.00	46.77	46.77	0.15%	428,191
Jan 8, 2026	45.89	47.08	45.75	46.70	46.70	1.30%	806,670
Jan 7, 2026	45.94	46.20	45.40	46.10	46.10	1.36%	647,813
Jan 6, 2026	45.86	45.87	45.24	45.48	45.48	-0.98%	679,361
Jan 5, 2026	45.37	47.01	45.37	45.93	45.93	0.57%	948,263
Jan 2, 2026	48.01	48.01	45.60	45.67	45.67	-4.48%	533,975
Dec 31, 2025	48.11	48.25	47.76	47.81	47.81	-0.64%	474,151
Dec 30, 2025	48.44	48.76	48.09	48.12	48.12	-0.99%	333,202
Dec 29, 2025	48.68	49.70	48.25	48.60	48.60	-0.27%	319,341
Dec 26, 2025	48.79	49.10	48.31	48.73	48.73	-0.29%	279,147
Dec 24, 2025	48.92	49.07	48.54	48.87	48.87	0.37%	262,244
Dec 23, 2025	48.69	49.33	48.33	48.69	48.69	-0.51%	545,086
Dec 22, 2025	48.10	49.44	48.10	48.94	48.94	1.66%	668,513
Dec 19, 2025	48.14	48.57	47.92	48.14	48.14	-0.33%	2,161,902
Dec 18, 2025	48.21	48.80	48.06	48.30	48.30	0.21%	685,047
Dec 17, 2025	48.03	48.87	47.76	48.20	48.20	0.31%	687,421
Dec 16, 2025	46.81	48.36	46.81	48.05	48.05	2.96%	1,359,688
Dec 15, 2025	47.78	47.78	46.53	46.67	46.67	-1.81%	773,912
Dec 12, 2025	47.50	47.99	47.33	47.53	47.53	0.15%	689,453
Dec 11, 2025	46.89	47.77	46.30	47.46	47.46	1.41%	1,250,176
Dec 10, 2025	45.10	47.33	45.10	46.80	46.80	2.93%	686,307
Dec 9, 2025	45.43	45.97	45.33	45.47	45.47	0.46%	446,990
Dec 8, 2025	46.34	46.34	45.12	45.26	45.26	-1.42%	620,491
Dec 5, 2025	46.25	46.92	45.83	45.91	45.91	-0.95%	853,914
Dec 4, 2025	46.96	47.14	46.23	46.35	46.35	-1.55%	581,155
Dec 3, 2025	46.42	47.13	46.21	47.08	47.08	1.25%	606,417