ACIW | ACI Worldwide | Historical Data

S&P 500$7,666.45
+0.19%
2m
DOW 30$50,926.56
+0.04%
2m
NASDAQ 100$30,501.56
+0.31%
2m
Russell 2000$279.02
+0.41%
2m
Russell 1000$416.97
+0.20%
2m
S&P 400$3,633.16
+1.03%
2m
S&P 600$1,665.65
+0.65%
2m

ACI Worldwide (ACIW)

NASDAQ

$50.10+$0.41 (+0.82%)

Price as of Oct 02, 2026 3:50 PM EDT

$5.0B
Market Cap
-6.28%
1-Year Change
Software - Infrastructure
Industry

1 Month
-3.01%

Low Price$48.59

High Price$52.95
3 Months
-5.41%

Low Price$48.59

High Price$60.18
1 Year
-6.28%

Low Price$38.47

High Price$60.18

From

Show

Frequency

Date	Open	High	Low	Close	Change (%)	Volume
10/01/2026	49.28	50.26	49.11	49.69	+1.66%	840,640
09/30/2026	48.20	49.37	47.81	48.88	+0.60%	1,121,380
09/29/2026	48.75	49.20	48.31	48.59	-0.84%	648,038
09/28/2026	48.51	49.18	48.28	49.00	-1.03%	465,804
09/25/2026	49.60	49.98	49.44	49.51	-0.22%	585,404
09/24/2026	49.71	49.92	48.84	49.62	+0.81%	492,026
09/23/2026	49.12	49.83	48.86	49.22	+0.06%	537,426
09/22/2026	50.62	50.78	48.80	49.19	-0.81%	779,938
09/21/2026	50.27	50.64	49.57	49.59	-1.35%	657,356
09/18/2026	51.31	51.31	50.00	50.27	-1.78%	1,678,965
09/17/2026	51.54	51.76	50.93	51.18	-0.78%	688,583
09/16/2026	50.63	52.02	50.46	51.58	+0.57%	646,692
09/15/2026	52.04	52.43	51.02	51.29	-2.58%	944,570
09/14/2026	53.18	53.60	52.19	52.65	+1.08%	667,651
09/11/2026	52.23	52.35	51.42	52.09	+0.23%	679,833
09/10/2026	51.83	52.18	51.25	51.97	+0.02%	715,177
09/09/2026	51.63	51.99	50.95	51.96	-0.04%	845,873
09/08/2026	51.95	52.24	50.77	51.98	-1.83%	969,001
09/04/2026	52.12	53.11	51.94	52.95	+0.08%	586,610
09/03/2026	53.11	53.73	52.21	52.91	+0.86%	596,134
09/02/2026	51.39	52.55	50.52	52.46	+2.40%	602,282
09/01/2026	52.67	53.00	51.05	51.23	-3.85%	823,298
08/31/2026	53.23	53.85	52.90	53.28	-1.02%	1,050,117
08/28/2026	54.14	54.59	53.67	53.83	-0.73%	862,535
08/27/2026	53.16	54.26	52.99	54.23	+2.23%	726,981
08/26/2026	51.87	53.05	51.64	53.04	+1.22%	741,636
08/25/2026	52.37	52.70	51.72	52.40	-0.02%	645,367
08/24/2026	51.94	52.71	51.94	52.41	+1.06%	559,674
08/21/2026	51.55	52.51	51.31	51.86	+0.56%	562,676
08/20/2026	51.79	52.08	51.38	51.57	-0.77%	632,653
08/19/2026	52.21	53.00	51.77	51.97	-0.38%	955,169
08/18/2026	52.68	53.50	51.83	52.17	+0.08%	966,447
08/17/2026	52.62	53.11	51.86	52.13	-2.45%	1,155,888
08/14/2026	53.96	54.13	52.49	53.44	-0.41%	680,777
08/13/2026	53.20	53.75	52.06	53.66	+1.73%	1,002,303
08/12/2026	51.70	52.78	51.60	52.75	+0.98%	925,827
08/11/2026	52.49	53.07	51.98	52.24	-1.15%	1,105,824
08/10/2026	52.50	53.40	51.87	52.85	-1.53%	1,562,386
08/07/2026	54.66	55.44	52.85	53.67	-2.81%	2,454,247
08/06/2026	52.90	57.01	51.07	55.22	-4.45%	1,883,177
08/06/2026	$0.54 Earnings
08/05/2026	58.77	59.11	56.80	57.79	+1.03%	971,112
08/04/2026	56.84	57.53	55.73	57.20	-0.30%	2,120,213
08/03/2026	58.39	59.30	56.62	57.37	+0.07%	931,485
07/31/2026	57.00	57.72	56.68	57.33	-0.62%	732,952
07/30/2026	59.15	59.24	57.37	57.69	-4.14%	661,749
07/29/2026	60.06	61.08	59.68	60.18	+0.35%	1,086,597
07/28/2026	58.63	60.53	58.63	59.97	+3.61%	634,750
07/27/2026	57.27	58.21	57.00	57.88	+2.79%	951,599
07/24/2026	55.16	56.76	55.11	56.31	+3.26%	507,896
07/23/2026	54.64	55.28	53.98	54.53	-0.33%	583,105
07/22/2026	56.36	57.20	54.25	54.71	-3.49%	977,958
07/21/2026	55.71	57.00	55.70	56.69	-0.32%	869,296
07/20/2026	57.98	58.00	56.76	56.87	-2.07%	892,873
07/17/2026	58.17	60.17	57.57	58.07	-1.02%	1,892,634
07/16/2026	57.57	59.31	56.97	58.67	+2.86%	1,128,722
07/15/2026	55.20	57.27	55.20	57.04	+3.50%	2,287,624
07/14/2026	54.75	56.11	53.81	55.11	-2.34%	765,361
07/13/2026	56.91	57.60	56.35	56.43	+0.02%	758,153
07/10/2026	56.97	57.58	56.29	56.42	+0.04%	671,904
07/09/2026	54.70	56.54	54.05	56.40	+0.93%	1,040,254
07/08/2026	55.21	56.12	54.60	55.88	+0.47%	1,296,272
07/07/2026	57.03	57.04	55.60	55.62	-0.55%	1,066,013
07/06/2026	54.37	56.30	54.00	55.93	+1.91%	1,212,027
07/02/2026	52.91	54.95	52.81	54.88	+4.47%	1,231,087
07/01/2026	51.40	53.07	50.95	52.53	+4.45%	768,895
06/30/2026	49.19	50.35	49.01	50.29	+1.58%	1,048,661
06/29/2026	49.38	50.22	48.77	49.51	+0.51%	1,285,290
06/26/2026	47.05	49.63	47.05	49.26	+5.57%	2,807,582
06/25/2026	45.89	47.14	45.65	46.66	+0.58%	609,499
06/24/2026	45.04	47.28	45.04	46.39	+2.70%	705,992
06/23/2026	43.50	45.33	43.01	45.17	+5.24%	1,491,956
06/22/2026	43.71	44.75	42.55	42.92	-2.65%	1,505,238
06/18/2026	44.61	44.99	43.62	44.09	-1.23%	1,588,495
06/17/2026	44.95	46.15	44.51	44.64	-1.89%	1,153,463
06/16/2026	44.97	45.52	44.53	45.50	+1.59%	577,131
06/15/2026	45.36	45.65	44.71	44.79	-0.99%	805,142
06/12/2026	44.66	45.37	43.89	45.24	+1.98%	833,445
06/11/2026	43.37	44.57	42.79	44.36	+1.44%	975,875
06/10/2026	42.07	43.76	41.58	43.73	+2.56%	1,166,378
06/09/2026	42.56	43.18	42.09	42.64	+0.19%	782,713
06/08/2026	42.55	43.70	42.04	42.56	-0.56%	1,061,012
06/05/2026	42.36	43.13	42.03	42.80	+1.04%	709,270
06/04/2026	42.73	42.90	41.95	42.36	+1.92%	756,264
06/03/2026	43.61	43.61	40.70	41.56	-4.92%	955,710
06/02/2026	44.11	44.63	43.36	43.71	-2.93%	630,894
06/01/2026	44.34	45.49	43.51	45.03	+3.11%	1,009,273
05/29/2026	42.73	44.09	42.59	43.67	+3.00%	1,070,101
05/28/2026	42.26	42.73	42.02	42.40	+0.19%	470,101
05/27/2026	41.58	43.06	41.58	42.32	-0.07%	847,607
05/26/2026	42.17	42.76	41.84	42.35	-0.87%	525,251
05/22/2026	42.52	43.42	42.25	42.72	+0.47%	511,994
05/21/2026	42.81	43.03	41.42	42.52	-1.69%	469,551
05/20/2026	42.37	43.37	41.59	43.25	+1.55%	511,171
05/19/2026	43.39	44.00	42.32	42.59	-0.49%	667,462
05/18/2026	41.67	43.53	41.58	42.80	+2.74%	926,453
05/15/2026	41.31	42.23	40.93	41.66	+1.93%	808,037
05/14/2026	41.24	41.44	40.00	40.87	+0.15%	675,364
05/13/2026	41.70	42.06	40.54	40.81	-3.25%	701,244
05/12/2026	42.93	43.15	41.82	42.18	-0.42%	788,109