ACI Worldwide, Inc. (ACIW)
NASDAQ: ACIW · Real-Time Price · USD
42.63
+0.08 (0.19%)
At close: Mar 9, 2026, 4:00 PM EDT
42.63
0.00 (0.00%)
After-hours: Mar 9, 2026, 4:10 PM EDT
ACI Worldwide Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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% | 735,397 |
| Mar 2, 2026 | 39.08 | 41.16 | 38.74 | 40.35 | 40.35 | 1.69% | 1,123,798 |
| 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 |
| Feb 2, 2026 | 43.36 | 44.51 | 43.05 | 43.45 | 43.45 | 0.21% | 982,947 |
| Jan 30, 2026 | 43.08 | 44.06 | 42.82 | 43.36 | 43.36 | 0.37% | 1,140,638 |
| Jan 29, 2026 | 43.32 | 43.45 | 41.86 | 43.20 | 43.20 | -0.69% | 922,764 |
| Jan 28, 2026 | 44.92 | 45.28 | 43.44 | 43.50 | 43.50 | -2.68% | 651,516 |
| Jan 27, 2026 | 44.87 | 44.87 | 43.83 | 44.70 | 44.70 | -0.25% | 659,214 |
| Jan 26, 2026 | 44.03 | 45.02 | 44.01 | 44.81 | 44.81 | 1.77% | 626,314 |
| Jan 23, 2026 | 43.73 | 44.13 | 43.34 | 44.03 | 44.03 | 0.69% | 489,089 |
| Jan 22, 2026 | 43.12 | 44.04 | 43.12 | 43.73 | 43.73 | 1.93% | 598,961 |
| Jan 21, 2026 | 42.50 | 43.30 | 42.48 | 42.90 | 42.90 | 1.20% | 635,258 |
| Jan 20, 2026 | 42.35 | 43.11 | 42.00 | 42.39 | 42.39 | -1.40% | 551,875 |
| Jan 16, 2026 | 43.49 | 44.06 | 42.65 | 42.99 | 42.99 | -1.15% | 732,534 |
| Jan 15, 2026 | 45.47 | 45.72 | 43.40 | 43.49 | 43.49 | -4.35% | 971,229 |
| Jan 14, 2026 | 45.46 | 45.67 | 44.86 | 45.47 | 45.47 | -0.35% | 426,304 |
| Jan 13, 2026 | 47.03 | 47.53 | 45.12 | 45.63 | 45.63 | -3.12% | 468,729 |
| Jan 12, 2026 | 46.47 | 47.41 | 46.05 | 47.10 | 47.10 | 0.71% | 540,372 |
| Jan 9, 2026 | 46.62 | 47.11 | 46.00 | 46.77 | 46.77 | 0.15% | 428,191 |
| Jan 8, 2026 | 45.89 | 47.08 | 45.75 | 46.70 | 46.70 | 1.30% | 806,670 |
| Jan 7, 2026 | 45.94 | 46.20 | 45.40 | 46.10 | 46.10 | 1.36% | 647,813 |
| Jan 6, 2026 | 45.86 | 45.87 | 45.24 | 45.48 | 45.48 | -0.98% | 679,361 |
| Jan 5, 2026 | 45.37 | 47.01 | 45.37 | 45.93 | 45.93 | 0.57% | 948,263 |
| Jan 2, 2026 | 48.01 | 48.01 | 45.60 | 45.67 | 45.67 | -4.48% | 533,975 |
| Dec 31, 2025 | 48.11 | 48.25 | 47.76 | 47.81 | 47.81 | -0.64% | 474,151 |
| Dec 30, 2025 | 48.44 | 48.76 | 48.09 | 48.12 | 48.12 | -0.99% | 333,202 |
| Dec 29, 2025 | 48.68 | 49.70 | 48.25 | 48.60 | 48.60 | -0.27% | 319,341 |
| Dec 26, 2025 | 48.79 | 49.10 | 48.31 | 48.73 | 48.73 | -0.29% | 279,147 |
| Dec 24, 2025 | 48.92 | 49.07 | 48.54 | 48.87 | 48.87 | 0.37% | 262,244 |
| Dec 23, 2025 | 48.69 | 49.33 | 48.33 | 48.69 | 48.69 | -0.51% | 545,086 |
| Dec 22, 2025 | 48.10 | 49.44 | 48.10 | 48.94 | 48.94 | 1.66% | 668,513 |
| Dec 19, 2025 | 48.14 | 48.57 | 47.92 | 48.14 | 48.14 | -0.33% | 2,161,902 |
| Dec 18, 2025 | 48.21 | 48.80 | 48.06 | 48.30 | 48.30 | 0.21% | 685,047 |
| Dec 17, 2025 | 48.03 | 48.87 | 47.76 | 48.20 | 48.20 | 0.31% | 687,421 |
| Dec 16, 2025 | 46.81 | 48.36 | 46.81 | 48.05 | 48.05 | 2.96% | 1,359,688 |
| Dec 15, 2025 | 47.78 | 47.78 | 46.53 | 46.67 | 46.67 | -1.81% | 773,912 |
| Dec 12, 2025 | 47.50 | 47.99 | 47.33 | 47.53 | 47.53 | 0.15% | 689,453 |
| Dec 11, 2025 | 46.89 | 47.77 | 46.30 | 47.46 | 47.46 | 1.41% | 1,250,176 |
| Dec 10, 2025 | 45.10 | 47.33 | 45.10 | 46.80 | 46.80 | 2.93% | 686,307 |
| Dec 9, 2025 | 45.43 | 45.97 | 45.33 | 45.47 | 45.47 | 0.46% | 446,990 |
| Dec 8, 2025 | 46.34 | 46.34 | 45.12 | 45.26 | 45.26 | -1.42% | 620,491 |
| Dec 5, 2025 | 46.25 | 46.92 | 45.83 | 45.91 | 45.91 | -0.95% | 853,914 |
| Dec 4, 2025 | 46.96 | 47.14 | 46.23 | 46.35 | 46.35 | -1.55% | 581,155 |
| Dec 3, 2025 | 46.42 | 47.13 | 46.21 | 47.08 | 47.08 | 1.25% | 606,417 |
| Dec 2, 2025 | 46.59 | 46.90 | 46.20 | 46.50 | 46.50 | 0.74% | 567,415 |
| Dec 1, 2025 | 46.35 | 46.80 | 46.01 | 46.16 | 46.16 | -1.49% | 706,164 |
| Nov 28, 2025 | 47.13 | 47.20 | 46.71 | 46.86 | 46.86 | - | 259,846 |
| Nov 26, 2025 | 47.20 | 47.51 | 46.74 | 46.86 | 46.86 | -0.76% | 883,955 |
| Nov 25, 2025 | 47.08 | 47.83 | 47.08 | 47.22 | 47.22 | 1.01% | 610,074 |
| Nov 24, 2025 | 46.62 | 47.01 | 46.16 | 46.75 | 46.75 | 0.30% | 817,128 |
| Nov 21, 2025 | 45.66 | 47.29 | 45.66 | 46.61 | 46.61 | 2.08% | 778,539 |
| Nov 20, 2025 | 47.05 | 47.54 | 45.61 | 45.66 | 45.66 | -1.42% | 710,173 |
| Nov 19, 2025 | 46.42 | 46.67 | 45.91 | 46.32 | 46.32 | 0.13% | 583,987 |
| Nov 18, 2025 | 46.03 | 46.61 | 45.73 | 46.26 | 46.26 | -0.09% | 723,123 |
| Nov 17, 2025 | 46.78 | 47.13 | 46.02 | 46.30 | 46.30 | -1.42% | 943,100 |
| Nov 14, 2025 | 46.76 | 47.10 | 46.41 | 46.97 | 46.97 | -0.41% | 612,270 |
| Nov 13, 2025 | 47.11 | 47.58 | 46.77 | 47.16 | 47.16 | -0.86% | 668,147 |
| Nov 12, 2025 | 48.22 | 48.77 | 47.47 | 47.57 | 47.57 | -0.90% | 872,205 |
| Nov 11, 2025 | 47.63 | 48.77 | 47.14 | 48.00 | 48.00 | 1.10% | 883,735 |
| Nov 10, 2025 | 48.98 | 49.15 | 47.35 | 47.48 | 47.48 | -3.02% | 885,376 |
| Nov 7, 2025 | 50.50 | 50.51 | 48.92 | 48.96 | 48.96 | -3.30% | 831,568 |
| Nov 6, 2025 | 49.20 | 52.28 | 48.53 | 50.63 | 50.63 | 4.95% | 1,521,067 |
| Nov 5, 2025 | 47.48 | 48.39 | 47.41 | 48.24 | 48.24 | 1.84% | 692,277 |
| Nov 4, 2025 | 47.64 | 47.72 | 46.92 | 47.37 | 47.37 | -0.63% | 492,827 |
| Nov 3, 2025 | 47.63 | 47.73 | 46.61 | 47.67 | 47.67 | 0.08% | 982,627 |
| Oct 31, 2025 | 47.05 | 47.67 | 46.86 | 47.63 | 47.63 | 0.85% | 750,820 |
| Oct 30, 2025 | 47.23 | 48.53 | 46.67 | 47.23 | 47.23 | -0.23% | 1,234,426 |
| Oct 29, 2025 | 49.35 | 49.56 | 46.97 | 47.34 | 47.34 | -4.84% | 1,037,695 |
| Oct 28, 2025 | 50.21 | 50.50 | 49.66 | 49.75 | 49.75 | -0.92% | 482,238 |
| Oct 27, 2025 | 50.87 | 50.91 | 49.98 | 50.21 | 50.21 | -0.38% | 398,594 |
| Oct 24, 2025 | 50.54 | 50.88 | 50.19 | 50.40 | 50.40 | 0.76% | 407,709 |
| Oct 23, 2025 | 49.49 | 50.18 | 49.02 | 50.02 | 50.02 | 1.01% | 350,313 |
| Oct 22, 2025 | 49.61 | 50.14 | 49.11 | 49.52 | 49.52 | -0.18% | 637,843 |
| Oct 21, 2025 | 49.32 | 50.20 | 48.56 | 49.61 | 49.61 | 1.22% | 571,800 |
| Oct 20, 2025 | 49.16 | 49.66 | 48.65 | 49.01 | 49.01 | 0.53% | 730,197 |
| Oct 17, 2025 | 47.83 | 48.88 | 47.55 | 48.75 | 48.75 | 1.18% | 800,782 |
| Oct 16, 2025 | 51.14 | 51.20 | 48.05 | 48.18 | 48.18 | -4.63% | 967,300 |
| Oct 15, 2025 | 51.71 | 52.08 | 50.28 | 50.52 | 50.52 | -1.86% | 522,697 |
| Oct 14, 2025 | 50.21 | 51.82 | 50.21 | 51.48 | 51.48 | 0.94% | 400,960 |