ACI Worldwide Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 9, 2026	51.63	51.63	50.95	51.47	-	-0.98%	107,875
Sep 8, 2026	51.95	52.24	50.77	51.98	51.98	-1.83%	854,088
Sep 4, 2026	52.12	53.11	51.94	52.95	52.95	0.08%	586,325
Sep 3, 2026	53.11	53.73	52.21	52.91	52.91	0.86%	585,045
Sep 2, 2026	51.39	52.55	50.52	52.46	52.46	2.40%	602,208
Sep 1, 2026	52.67	53.00	51.05	51.23	51.23	-3.85%	807,397
Aug 31, 2026	53.23	53.85	52.90	53.28	53.28	-1.02%	1,040,578
Aug 28, 2026	54.14	54.59	53.67	53.83	53.83	-0.73%	855,682
Aug 27, 2026	53.16	54.26	52.99	54.23	54.23	2.23%	717,006
Aug 26, 2026	51.87	53.05	51.64	53.04	53.04	1.22%	736,085
Aug 25, 2026	52.37	52.70	51.72	52.40	52.40	-0.02%	645,291
Aug 24, 2026	51.94	52.71	51.94	52.41	52.41	1.06%	559,660
Aug 21, 2026	51.55	52.51	51.31	51.86	51.86	0.56%	562,675
Aug 20, 2026	51.79	52.08	51.38	51.57	51.57	-0.77%	625,727
Aug 19, 2026	52.21	53.00	51.77	51.97	51.97	-0.38%	955,160
Aug 18, 2026	52.68	53.50	51.83	52.17	52.17	0.08%	966,305
Aug 17, 2026	52.62	53.11	51.86	52.13	52.13	-2.45%	1,155,886
Aug 14, 2026	53.96	54.13	52.49	53.44	53.44	-0.41%	680,776
Aug 13, 2026	53.20	53.75	52.06	53.66	53.66	1.73%	928,002
Aug 12, 2026	51.70	52.78	51.60	52.75	52.75	0.98%	895,382
Aug 11, 2026	52.49	53.07	51.98	52.24	52.24	-1.15%	1,076,788
Aug 10, 2026	52.50	53.40	51.87	52.85	52.85	-1.53%	1,551,958
Aug 7, 2026	54.66	55.44	52.85	53.67	53.67	-2.81%	2,454,251
Aug 6, 2026	52.90	57.01	51.07	55.22	55.22	-4.45%	1,882,976
Aug 5, 2026	58.77	59.11	56.80	57.79	57.79	1.03%	969,831
Aug 4, 2026	56.84	57.53	55.73	57.20	57.20	-0.30%	2,084,724
Aug 3, 2026	58.39	59.30	56.62	57.37	57.37	0.07%	924,684
Jul 31, 2026	57.00	57.72	56.68	57.33	57.33	-0.62%	732,920
Jul 30, 2026	59.15	59.24	57.37	57.69	57.69	-4.14%	661,748
Jul 29, 2026	60.06	61.08	59.68	60.18	60.18	0.35%	1,086,491
Jul 28, 2026	58.63	60.53	58.63	59.97	59.97	3.61%	634,691
Jul 27, 2026	57.27	58.21	57.00	57.88	57.88	2.79%	951,579
Jul 24, 2026	55.16	56.76	55.11	56.31	56.31	3.26%	507,602
Jul 23, 2026	54.64	55.28	53.98	54.53	54.53	-0.33%	583,104
Jul 22, 2026	56.36	57.20	54.25	54.71	54.71	-3.49%	977,958
Jul 21, 2026	55.71	57.00	55.70	56.69	56.69	-0.32%	869,376
Jul 20, 2026	57.98	58.00	56.76	56.87	56.87	-2.07%	892,873
Jul 17, 2026	58.17	60.17	57.57	58.07	58.07	-1.02%	1,892,634
Jul 16, 2026	57.57	59.31	56.97	58.67	58.67	2.86%	1,128,722
Jul 15, 2026	55.20	57.27	55.20	57.04	57.04	3.50%	2,287,624
Jul 14, 2026	54.75	56.11	53.81	55.11	55.11	-2.34%	777,688
Jul 13, 2026	56.91	57.60	56.35	56.43	56.43	0.02%	758,153
Jul 10, 2026	56.97	57.58	56.29	56.42	56.42	0.04%	671,904
Jul 9, 2026	54.70	56.54	54.05	56.40	56.40	0.93%	1,040,254
Jul 8, 2026	55.21	56.12	54.60	55.88	55.88	0.47%	1,296,272
Jul 7, 2026	57.03	57.04	55.60	55.62	55.62	-0.55%	1,066,013
Jul 6, 2026	54.37	56.30	54.00	55.93	55.93	1.91%	1,212,027
Jul 2, 2026	52.91	54.95	52.81	54.88	54.88	4.47%	1,231,087
Jul 1, 2026	51.40	53.07	50.95	52.53	52.53	4.45%	768,895
Jun 30, 2026	49.19	50.35	49.01	50.29	50.29	1.58%	1,048,661