ACI Worldwide, Inc. (ACIW)
NASDAQ: ACIW · Real-Time Price · USD
49.26
+2.60 (5.57%)
At close: Jun 26, 2026, 4:00 PM EDT
49.26
0.00 (0.00%)
After-hours: Jun 26, 2026, 4:31 PM EDT

ACI Worldwide Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 202647.0549.6347.0549.2649.265.57%2,782,869
Jun 25, 202645.8947.1445.6546.6646.660.58%609,438
Jun 24, 202645.0447.2845.0446.3946.392.70%705,664
Jun 23, 202643.5045.3343.0145.1745.175.24%1,491,569
Jun 22, 202643.7144.7542.5542.9242.92-2.65%1,504,219
Jun 18, 202644.6144.9943.6244.0944.09-1.23%1,587,475
Jun 17, 202644.9546.1544.5144.6444.64-1.89%1,153,461
Jun 16, 202644.9745.5244.5345.5045.501.59%577,192
Jun 15, 202645.3645.6544.7144.7944.79-0.99%805,142
Jun 12, 202644.6645.3743.8945.2445.241.98%833,445
Jun 11, 202643.3744.5742.7944.3644.361.44%975,875
Jun 10, 202642.0743.7641.5843.7343.732.56%1,166,378
Jun 9, 202642.5643.1842.0942.6442.640.19%782,713
Jun 8, 202642.5543.7042.0442.5642.56-0.56%1,061,012
Jun 5, 202642.3643.1342.0342.8042.801.04%709,270
Jun 4, 202642.7342.9041.9542.3642.361.92%756,264
Jun 3, 202643.6143.6140.7041.5641.56-4.92%956,010
Jun 2, 202644.1144.6343.3643.7143.71-2.93%630,894
Jun 1, 202644.3445.4943.5145.0345.033.11%1,009,273
May 29, 202642.7344.0942.5943.6743.673.00%1,070,101
May 28, 202642.2642.7342.0242.4042.400.19%470,101
May 27, 202641.5843.0641.5842.3242.32-0.07%847,607
May 26, 202642.1742.7641.8442.3542.35-0.87%525,351
May 22, 202642.5243.4242.2542.7242.720.47%511,994
May 21, 202642.8143.0341.4242.5242.52-1.69%469,551
May 20, 202642.3743.3741.5943.2543.251.55%511,171
May 19, 202643.3944.0042.3242.5942.59-0.49%667,462
May 18, 202641.6743.5341.5842.8042.802.74%926,453
May 15, 202641.3142.2340.9341.6641.661.93%808,037
May 14, 202641.2441.4440.0040.8740.870.15%675,364
May 13, 202641.7042.0640.5440.8140.81-3.25%701,245
May 12, 202642.9343.1541.8242.1842.18-0.42%788,109
May 11, 202644.8945.3042.0942.3642.36-6.92%987,281
May 8, 202646.1046.7345.0245.5145.51-2.44%912,462
May 7, 202647.3048.5445.4646.6546.657.81%1,323,939
May 6, 202644.1444.3342.9543.2743.27-2.02%871,655
May 5, 202644.3644.5643.6544.1644.16-0.27%487,240
May 4, 202643.7144.9843.7144.2844.280.96%496,896
May 1, 202644.0544.7343.3143.8643.861.48%531,930
Apr 30, 202643.0443.5542.5943.2243.22-0.87%722,246
Apr 29, 202643.1244.0343.1243.6043.60-0.77%547,731
Apr 28, 202643.9344.4043.4443.9443.941.31%610,902
Apr 27, 202642.8444.0642.3743.3743.370.42%573,155
Apr 24, 202642.2043.2141.8343.1943.192.32%575,979
Apr 23, 202643.6044.5741.5042.2142.21-4.61%637,468
Apr 22, 202644.8244.8643.7644.2544.250.07%542,744
Apr 21, 202645.2146.0444.0644.2244.22-2.06%1,342,922
Apr 20, 202644.1045.4644.1045.1545.151.53%1,304,534
Apr 17, 202644.0544.9943.6344.4744.473.90%1,182,889
Apr 16, 202642.8143.1442.0442.8042.800.75%1,102,851
Apr 15, 202641.7042.8741.7042.4842.482.48%723,705
Apr 14, 202641.3342.0841.0941.4541.450.51%548,634
Apr 13, 202639.7341.3739.6141.2441.243.38%910,744
Apr 10, 202640.7740.7739.5239.8939.89-2.11%447,349
Apr 9, 202640.9340.9339.3540.7540.75-1.52%658,010
Apr 8, 202641.9742.1741.3641.3841.381.47%865,442
Apr 7, 202641.1041.3440.6740.7840.78-0.85%440,758
Apr 6, 202641.3441.4740.9241.1341.13-0.48%436,581
Apr 2, 202640.6441.6039.8041.3341.330.90%739,842
Apr 1, 202641.1641.5040.5040.9640.96-0.12%647,514
Mar 31, 202640.8841.3040.1941.0141.011.74%604,731
Mar 30, 202640.7040.8640.0240.3140.311.08%781,827
Mar 27, 202640.2540.2539.3139.8839.88-2.40%663,852
Mar 26, 202640.1041.2339.8640.8640.862.05%626,286
Mar 25, 202640.1340.8038.7040.0440.040.45%786,208
Mar 24, 202640.4040.5239.4539.8639.86-2.52%677,031
Mar 23, 202640.4741.0839.9340.8940.893.68%748,100
Mar 20, 202639.6239.8738.9539.4439.44-0.60%1,382,785
Mar 19, 202639.0839.8438.8039.6839.681.41%756,709
Mar 18, 202639.4740.0639.1039.1339.13-1.83%574,774
Mar 17, 202639.7741.0139.6739.8639.860.78%551,198
Mar 16, 202639.9940.2239.3139.5539.55-0.55%587,660
Mar 13, 202640.6341.4739.5139.7739.77-1.63%535,551
Mar 12, 202640.9641.9240.3240.4340.43-2.44%821,588
Mar 11, 202642.3042.8740.7741.4441.44-1.50%804,333
Mar 10, 202642.7243.0041.2742.0742.07-1.31%950,142
Mar 9, 202642.0943.0140.8942.6342.630.19%948,560
Mar 6, 202642.4142.8741.6842.5542.55-0.72%778,681
Mar 5, 202642.3742.9141.6942.8642.860.99%783,150
Mar 4, 202642.4342.8541.3442.4442.442.49%926,229
Mar 3, 202640.1941.9439.6541.4141.412.63%735,596
Mar 2, 202639.0841.1638.7440.3540.351.69%1,124,198
Feb 27, 202639.5940.0739.2439.6839.68-0.30%1,381,403
Feb 26, 202640.2341.0738.0639.8039.80-4.05%2,684,508
Feb 25, 202639.2041.6638.8441.4841.486.14%1,756,784
Feb 24, 202638.4939.7138.4939.0839.081.59%857,237
Feb 23, 202640.7841.0738.2038.4738.47-5.90%800,680
Feb 20, 202640.7541.6240.5140.8840.880.32%620,021
Feb 19, 202640.6340.8140.2040.7540.750.39%519,519
Feb 18, 202640.7741.2040.5340.5940.590.02%712,324
Feb 17, 202640.3141.0840.1740.5840.582.58%957,795
Feb 13, 202639.6640.5039.5239.5639.560.74%652,144
Feb 12, 202640.4941.2538.5339.2739.27-2.63%875,851
Feb 11, 202642.4542.6440.2840.3340.33-4.93%1,389,050
Feb 10, 202641.9742.7441.8342.4242.421.41%505,961
Feb 9, 202641.9342.1541.4541.8341.83-1.06%611,824
Feb 6, 202641.1742.4041.1742.2842.283.98%951,977
Feb 5, 202641.5742.2040.5040.6640.66-0.76%1,072,765
Feb 4, 202639.2641.4238.8940.9740.973.67%925,171
Feb 3, 202642.7742.8338.8939.5239.52-9.04%2,170,950