ACI Worldwide, Inc. (ACIW)
NASDAQ: ACIW · Real-Time Price · USD
50.01
+0.49 (0.99%)
At close: Oct 23, 2025, 4:00 PM EDT
50.02
+0.01 (0.02%)
After-hours: Oct 23, 2025, 4:11 PM EDT

ACI Worldwide Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 23, 202549.4949.7749.0249.67-0.29%106,710
Oct 22, 202549.6150.1449.1149.5249.52-0.18%637,843
Oct 21, 202549.3250.2048.5649.6149.611.22%571,800
Oct 20, 202549.1649.6648.6549.0149.010.53%730,197
Oct 17, 202547.8348.8847.5548.7548.751.18%800,782
Oct 16, 202551.1451.2048.0548.1848.18-4.63%967,300
Oct 15, 202551.7152.0850.2850.5250.52-1.86%522,697
Oct 14, 202550.2151.8250.2151.4851.480.94%400,960
Oct 13, 202551.5551.5550.5651.0051.00-0.02%420,599
Oct 10, 202552.5052.6450.6351.0151.01-2.62%499,316
Oct 9, 202552.8952.8951.6452.3852.38-0.96%481,407
Oct 8, 202552.9353.3352.2352.8952.890.38%605,026
Oct 7, 202553.4853.6452.6652.6952.69-1.66%575,198
Oct 6, 202553.7954.2553.1053.5853.58-0.07%846,089
Oct 3, 202553.0254.2853.0253.6253.621.13%682,395
Oct 2, 202552.8653.1752.5153.0253.020.53%588,337
Oct 1, 202552.4952.9152.1352.7452.74-0.06%847,111
Sep 30, 202552.3452.8251.4152.7752.770.82%843,514
Sep 29, 202552.4252.6152.0052.3452.340.15%838,120
Sep 26, 202551.6752.4551.3052.2652.261.06%475,985
Sep 25, 202552.0152.0251.1151.7151.71-1.09%566,972
Sep 24, 202552.6152.9952.2052.2852.28-0.15%494,513
Sep 23, 202553.0753.4552.1952.3652.36-1.02%960,076
Sep 22, 202550.8053.0250.1652.9052.903.95%1,513,139
Sep 19, 202551.3551.4750.1650.8950.89-0.47%2,918,499
Sep 18, 202550.0951.2549.8951.1351.132.75%894,207
Sep 17, 202549.7751.1949.5549.7649.760.77%833,460
Sep 16, 202549.5149.5148.8349.3849.38-0.42%812,567
Sep 15, 202550.2850.5449.5749.5949.59-1.12%677,159
Sep 12, 202550.7950.9450.1250.1550.15-0.95%888,541
Sep 11, 202550.4850.9149.4350.6350.631.08%915,070
Sep 10, 202551.2351.6449.8850.0950.09-2.23%1,057,241
Sep 9, 202551.3551.3550.2751.2351.230.04%725,182
Sep 8, 202550.7951.3049.4851.2151.211.91%1,432,846
Sep 5, 202549.9651.0049.8750.2550.251.23%709,531
Sep 4, 202549.2449.6748.4149.6449.640.96%800,780
Sep 3, 202548.9949.2248.5749.1749.170.39%1,140,336
Sep 2, 202548.7449.2148.4548.9848.98-0.75%756,062
Aug 29, 202549.2949.4248.8849.3549.350.30%789,288
Aug 28, 202548.5449.2248.1849.2049.201.46%849,854
Aug 27, 202548.1048.5047.8148.4948.490.73%691,965
Aug 26, 202548.6448.9048.1348.1448.14-1.27%1,607,840
Aug 25, 202549.2849.5148.7248.7648.76-1.12%682,678
Aug 22, 202548.1349.8348.1349.3149.313.01%773,957
Aug 21, 202546.9647.9146.6247.8747.871.66%1,054,670
Aug 20, 202546.9847.2546.7847.0947.090.13%823,955
Aug 19, 202547.3547.7746.9747.0347.03-0.47%520,817
Aug 18, 202546.5647.3646.2347.2547.251.48%573,838
Aug 15, 202546.8346.8345.9446.5646.56-0.11%763,641
Aug 14, 202547.0347.0346.2946.6146.61-1.44%919,625