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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 47.05 | 49.63 | 47.05 | 49.26 | 49.26 | 5.57% | 2,782,869 |
| Jun 25, 2026 | 45.89 | 47.14 | 45.65 | 46.66 | 46.66 | 0.58% | 609,438 |
| Jun 24, 2026 | 45.04 | 47.28 | 45.04 | 46.39 | 46.39 | 2.70% | 705,664 |
| Jun 23, 2026 | 43.50 | 45.33 | 43.01 | 45.17 | 45.17 | 5.24% | 1,491,569 |
| Jun 22, 2026 | 43.71 | 44.75 | 42.55 | 42.92 | 42.92 | -2.65% | 1,504,219 |
| Jun 18, 2026 | 44.61 | 44.99 | 43.62 | 44.09 | 44.09 | -1.23% | 1,587,475 |
| Jun 17, 2026 | 44.95 | 46.15 | 44.51 | 44.64 | 44.64 | -1.89% | 1,153,461 |
| Jun 16, 2026 | 44.97 | 45.52 | 44.53 | 45.50 | 45.50 | 1.59% | 577,192 |
| Jun 15, 2026 | 45.36 | 45.65 | 44.71 | 44.79 | 44.79 | -0.99% | 805,142 |
| Jun 12, 2026 | 44.66 | 45.37 | 43.89 | 45.24 | 45.24 | 1.98% | 833,445 |
| Jun 11, 2026 | 43.37 | 44.57 | 42.79 | 44.36 | 44.36 | 1.44% | 975,875 |
| Jun 10, 2026 | 42.07 | 43.76 | 41.58 | 43.73 | 43.73 | 2.56% | 1,166,378 |
| Jun 9, 2026 | 42.56 | 43.18 | 42.09 | 42.64 | 42.64 | 0.19% | 782,713 |
| Jun 8, 2026 | 42.55 | 43.70 | 42.04 | 42.56 | 42.56 | -0.56% | 1,061,012 |
| Jun 5, 2026 | 42.36 | 43.13 | 42.03 | 42.80 | 42.80 | 1.04% | 709,270 |
| Jun 4, 2026 | 42.73 | 42.90 | 41.95 | 42.36 | 42.36 | 1.92% | 756,264 |
| Jun 3, 2026 | 43.61 | 43.61 | 40.70 | 41.56 | 41.56 | -4.92% | 956,010 |
| Jun 2, 2026 | 44.11 | 44.63 | 43.36 | 43.71 | 43.71 | -2.93% | 630,894 |
| Jun 1, 2026 | 44.34 | 45.49 | 43.51 | 45.03 | 45.03 | 3.11% | 1,009,273 |
| May 29, 2026 | 42.73 | 44.09 | 42.59 | 43.67 | 43.67 | 3.00% | 1,070,101 |
| May 28, 2026 | 42.26 | 42.73 | 42.02 | 42.40 | 42.40 | 0.19% | 470,101 |
| May 27, 2026 | 41.58 | 43.06 | 41.58 | 42.32 | 42.32 | -0.07% | 847,607 |
| May 26, 2026 | 42.17 | 42.76 | 41.84 | 42.35 | 42.35 | -0.87% | 525,351 |
| May 22, 2026 | 42.52 | 43.42 | 42.25 | 42.72 | 42.72 | 0.47% | 511,994 |
| May 21, 2026 | 42.81 | 43.03 | 41.42 | 42.52 | 42.52 | -1.69% | 469,551 |
| May 20, 2026 | 42.37 | 43.37 | 41.59 | 43.25 | 43.25 | 1.55% | 511,171 |
| May 19, 2026 | 43.39 | 44.00 | 42.32 | 42.59 | 42.59 | -0.49% | 667,462 |
| May 18, 2026 | 41.67 | 43.53 | 41.58 | 42.80 | 42.80 | 2.74% | 926,453 |
| May 15, 2026 | 41.31 | 42.23 | 40.93 | 41.66 | 41.66 | 1.93% | 808,037 |
| May 14, 2026 | 41.24 | 41.44 | 40.00 | 40.87 | 40.87 | 0.15% | 675,364 |
| May 13, 2026 | 41.70 | 42.06 | 40.54 | 40.81 | 40.81 | -3.25% | 701,245 |
| May 12, 2026 | 42.93 | 43.15 | 41.82 | 42.18 | 42.18 | -0.42% | 788,109 |
| May 11, 2026 | 44.89 | 45.30 | 42.09 | 42.36 | 42.36 | -6.92% | 987,281 |
| May 8, 2026 | 46.10 | 46.73 | 45.02 | 45.51 | 45.51 | -2.44% | 912,462 |
| May 7, 2026 | 47.30 | 48.54 | 45.46 | 46.65 | 46.65 | 7.81% | 1,323,939 |
| May 6, 2026 | 44.14 | 44.33 | 42.95 | 43.27 | 43.27 | -2.02% | 871,655 |
| May 5, 2026 | 44.36 | 44.56 | 43.65 | 44.16 | 44.16 | -0.27% | 487,240 |
| May 4, 2026 | 43.71 | 44.98 | 43.71 | 44.28 | 44.28 | 0.96% | 496,896 |
| May 1, 2026 | 44.05 | 44.73 | 43.31 | 43.86 | 43.86 | 1.48% | 531,930 |
| Apr 30, 2026 | 43.04 | 43.55 | 42.59 | 43.22 | 43.22 | -0.87% | 722,246 |
| Apr 29, 2026 | 43.12 | 44.03 | 43.12 | 43.60 | 43.60 | -0.77% | 547,731 |
| Apr 28, 2026 | 43.93 | 44.40 | 43.44 | 43.94 | 43.94 | 1.31% | 610,902 |
| Apr 27, 2026 | 42.84 | 44.06 | 42.37 | 43.37 | 43.37 | 0.42% | 573,155 |
| Apr 24, 2026 | 42.20 | 43.21 | 41.83 | 43.19 | 43.19 | 2.32% | 575,979 |
| Apr 23, 2026 | 43.60 | 44.57 | 41.50 | 42.21 | 42.21 | -4.61% | 637,468 |
| Apr 22, 2026 | 44.82 | 44.86 | 43.76 | 44.25 | 44.25 | 0.07% | 542,744 |
| Apr 21, 2026 | 45.21 | 46.04 | 44.06 | 44.22 | 44.22 | -2.06% | 1,342,922 |
| Apr 20, 2026 | 44.10 | 45.46 | 44.10 | 45.15 | 45.15 | 1.53% | 1,304,534 |
| Apr 17, 2026 | 44.05 | 44.99 | 43.63 | 44.47 | 44.47 | 3.90% | 1,182,889 |
| Apr 16, 2026 | 42.81 | 43.14 | 42.04 | 42.80 | 42.80 | 0.75% | 1,102,851 |
| Apr 15, 2026 | 41.70 | 42.87 | 41.70 | 42.48 | 42.48 | 2.48% | 723,705 |
| Apr 14, 2026 | 41.33 | 42.08 | 41.09 | 41.45 | 41.45 | 0.51% | 548,634 |
| Apr 13, 2026 | 39.73 | 41.37 | 39.61 | 41.24 | 41.24 | 3.38% | 910,744 |
| Apr 10, 2026 | 40.77 | 40.77 | 39.52 | 39.89 | 39.89 | -2.11% | 447,349 |
| Apr 9, 2026 | 40.93 | 40.93 | 39.35 | 40.75 | 40.75 | -1.52% | 658,010 |
| Apr 8, 2026 | 41.97 | 42.17 | 41.36 | 41.38 | 41.38 | 1.47% | 865,442 |
| Apr 7, 2026 | 41.10 | 41.34 | 40.67 | 40.78 | 40.78 | -0.85% | 440,758 |
| Apr 6, 2026 | 41.34 | 41.47 | 40.92 | 41.13 | 41.13 | -0.48% | 436,581 |
| Apr 2, 2026 | 40.64 | 41.60 | 39.80 | 41.33 | 41.33 | 0.90% | 739,842 |
| Apr 1, 2026 | 41.16 | 41.50 | 40.50 | 40.96 | 40.96 | -0.12% | 647,514 |
| Mar 31, 2026 | 40.88 | 41.30 | 40.19 | 41.01 | 41.01 | 1.74% | 604,731 |
| Mar 30, 2026 | 40.70 | 40.86 | 40.02 | 40.31 | 40.31 | 1.08% | 781,827 |
| Mar 27, 2026 | 40.25 | 40.25 | 39.31 | 39.88 | 39.88 | -2.40% | 663,852 |
| Mar 26, 2026 | 40.10 | 41.23 | 39.86 | 40.86 | 40.86 | 2.05% | 626,286 |
| Mar 25, 2026 | 40.13 | 40.80 | 38.70 | 40.04 | 40.04 | 0.45% | 786,208 |
| Mar 24, 2026 | 40.40 | 40.52 | 39.45 | 39.86 | 39.86 | -2.52% | 677,031 |
| Mar 23, 2026 | 40.47 | 41.08 | 39.93 | 40.89 | 40.89 | 3.68% | 748,100 |
| Mar 20, 2026 | 39.62 | 39.87 | 38.95 | 39.44 | 39.44 | -0.60% | 1,382,785 |
| Mar 19, 2026 | 39.08 | 39.84 | 38.80 | 39.68 | 39.68 | 1.41% | 756,709 |
| Mar 18, 2026 | 39.47 | 40.06 | 39.10 | 39.13 | 39.13 | -1.83% | 574,774 |
| Mar 17, 2026 | 39.77 | 41.01 | 39.67 | 39.86 | 39.86 | 0.78% | 551,198 |
| Mar 16, 2026 | 39.99 | 40.22 | 39.31 | 39.55 | 39.55 | -0.55% | 587,660 |
| Mar 13, 2026 | 40.63 | 41.47 | 39.51 | 39.77 | 39.77 | -1.63% | 535,551 |
| Mar 12, 2026 | 40.96 | 41.92 | 40.32 | 40.43 | 40.43 | -2.44% | 821,588 |
| Mar 11, 2026 | 42.30 | 42.87 | 40.77 | 41.44 | 41.44 | -1.50% | 804,333 |
| Mar 10, 2026 | 42.72 | 43.00 | 41.27 | 42.07 | 42.07 | -1.31% | 950,142 |
| Mar 9, 2026 | 42.09 | 43.01 | 40.89 | 42.63 | 42.63 | 0.19% | 948,560 |
| Mar 6, 2026 | 42.41 | 42.87 | 41.68 | 42.55 | 42.55 | -0.72% | 778,681 |
| Mar 5, 2026 | 42.37 | 42.91 | 41.69 | 42.86 | 42.86 | 0.99% | 783,150 |
| Mar 4, 2026 | 42.43 | 42.85 | 41.34 | 42.44 | 42.44 | 2.49% | 926,229 |
| Mar 3, 2026 | 40.19 | 41.94 | 39.65 | 41.41 | 41.41 | 2.63% | 735,596 |
| Mar 2, 2026 | 39.08 | 41.16 | 38.74 | 40.35 | 40.35 | 1.69% | 1,124,198 |
| Feb 27, 2026 | 39.59 | 40.07 | 39.24 | 39.68 | 39.68 | -0.30% | 1,381,403 |
| Feb 26, 2026 | 40.23 | 41.07 | 38.06 | 39.80 | 39.80 | -4.05% | 2,684,508 |
| Feb 25, 2026 | 39.20 | 41.66 | 38.84 | 41.48 | 41.48 | 6.14% | 1,756,784 |
| Feb 24, 2026 | 38.49 | 39.71 | 38.49 | 39.08 | 39.08 | 1.59% | 857,237 |
| Feb 23, 2026 | 40.78 | 41.07 | 38.20 | 38.47 | 38.47 | -5.90% | 800,680 |
| Feb 20, 2026 | 40.75 | 41.62 | 40.51 | 40.88 | 40.88 | 0.32% | 620,021 |
| Feb 19, 2026 | 40.63 | 40.81 | 40.20 | 40.75 | 40.75 | 0.39% | 519,519 |
| Feb 18, 2026 | 40.77 | 41.20 | 40.53 | 40.59 | 40.59 | 0.02% | 712,324 |
| Feb 17, 2026 | 40.31 | 41.08 | 40.17 | 40.58 | 40.58 | 2.58% | 957,795 |
| Feb 13, 2026 | 39.66 | 40.50 | 39.52 | 39.56 | 39.56 | 0.74% | 652,144 |
| Feb 12, 2026 | 40.49 | 41.25 | 38.53 | 39.27 | 39.27 | -2.63% | 875,851 |
| Feb 11, 2026 | 42.45 | 42.64 | 40.28 | 40.33 | 40.33 | -4.93% | 1,389,050 |
| Feb 10, 2026 | 41.97 | 42.74 | 41.83 | 42.42 | 42.42 | 1.41% | 505,961 |
| Feb 9, 2026 | 41.93 | 42.15 | 41.45 | 41.83 | 41.83 | -1.06% | 611,824 |
| Feb 6, 2026 | 41.17 | 42.40 | 41.17 | 42.28 | 42.28 | 3.98% | 951,977 |
| Feb 5, 2026 | 41.57 | 42.20 | 40.50 | 40.66 | 40.66 | -0.76% | 1,072,765 |
| Feb 4, 2026 | 39.26 | 41.42 | 38.89 | 40.97 | 40.97 | 3.67% | 925,171 |
| Feb 3, 2026 | 42.77 | 42.83 | 38.89 | 39.52 | 39.52 | -9.04% | 2,170,950 |