ACI Worldwide, Inc. (ACIW)
NASDAQ: ACIW · Real-Time Price · USD
48.59
-0.41 (-0.84%)
Sep 29, 2026, 4:00 PM EDT - Market closed

ACI Worldwide Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 29, 202648.7549.2048.3148.5948.59-0.84%622,755
Sep 28, 202648.5149.1848.2849.0049.00-1.03%441,365
Sep 25, 202649.6049.9849.4449.5149.51-0.22%453,181
Sep 24, 202649.7149.9248.8449.6249.620.81%487,771
Sep 23, 202649.1249.8348.8649.2249.220.06%536,338
Sep 22, 202650.6250.7848.8049.1949.19-0.81%779,703
Sep 21, 202650.2750.6449.5749.5949.59-1.35%615,454
Sep 18, 202651.3151.3150.0050.2750.27-1.78%1,633,353
Sep 17, 202651.5451.7650.9351.1851.18-0.78%675,523
Sep 16, 202650.6352.0250.4651.5851.580.57%638,530
Sep 15, 202652.0452.4351.0251.2951.29-2.58%869,585
Sep 14, 202653.1853.6052.1952.6552.651.08%643,056
Sep 11, 202652.2352.3551.4252.0952.090.23%616,933
Sep 10, 202651.8352.1851.2551.9751.970.02%715,177
Sep 9, 202651.6351.9950.9551.9651.96-0.04%845,873
Sep 8, 202651.9552.2450.7751.9851.98-1.83%969,214
Sep 4, 202652.1253.1151.9452.9552.950.08%586,610
Sep 3, 202653.1153.7352.2152.9152.910.86%596,134
Sep 2, 202651.3952.5550.5252.4652.462.40%602,282
Sep 1, 202652.6753.0051.0551.2351.23-3.85%823,298
Aug 31, 202653.2353.8552.9053.2853.28-1.02%1,050,020
Aug 28, 202654.1454.5953.6753.8353.83-0.73%862,535
Aug 27, 202653.1654.2652.9954.2354.232.23%726,981
Aug 26, 202651.8753.0551.6453.0453.041.22%741,636
Aug 25, 202652.3752.7051.7252.4052.40-0.02%645,367
Aug 24, 202651.9452.7151.9452.4152.411.06%559,674
Aug 21, 202651.5552.5151.3151.8651.860.56%562,676
Aug 20, 202651.7952.0851.3851.5751.57-0.77%632,653
Aug 19, 202652.2153.0051.7751.9751.97-0.38%955,169
Aug 18, 202652.6853.5051.8352.1752.170.08%966,447
Aug 17, 202652.6253.1151.8652.1352.13-2.45%1,155,888
Aug 14, 202653.9654.1352.4953.4453.44-0.41%680,777
Aug 13, 202653.2053.7552.0653.6653.661.73%1,002,303
Aug 12, 202651.7052.7851.6052.7552.750.98%916,099
Aug 11, 202652.4953.0751.9852.2452.24-1.15%1,105,886
Aug 10, 202652.5053.4051.8752.8552.85-1.53%1,562,386
Aug 7, 202654.6655.4452.8553.6753.67-2.81%2,454,252
Aug 6, 202652.9057.0151.0755.2255.22-4.45%1,883,177
Aug 5, 202658.7759.1156.8057.7957.791.03%971,112
Aug 4, 202656.8457.5355.7357.2057.20-0.30%2,120,213
Aug 3, 202658.3959.3056.6257.3757.370.07%931,485
Jul 31, 202657.0057.7256.6857.3357.33-0.62%732,952
Jul 30, 202659.1559.2457.3757.6957.69-4.14%661,749
Jul 29, 202660.0661.0859.6860.1860.180.35%1,086,597
Jul 28, 202658.6360.5358.6359.9759.973.61%634,750
Jul 27, 202657.2758.2157.0057.8857.882.79%951,599
Jul 24, 202655.1656.7655.1156.3156.313.26%507,896
Jul 23, 202654.6455.2853.9854.5354.53-0.33%583,105
Jul 22, 202656.3657.2054.2554.7154.71-3.49%977,958
Jul 21, 202655.7157.0055.7056.6956.69-0.32%869,376