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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | 48.75 | 49.20 | 48.31 | 48.59 | 48.59 | -0.84% | 622,755 |
| Sep 28, 2026 | 48.51 | 49.18 | 48.28 | 49.00 | 49.00 | -1.03% | 441,365 |
| Sep 25, 2026 | 49.60 | 49.98 | 49.44 | 49.51 | 49.51 | -0.22% | 453,181 |
| Sep 24, 2026 | 49.71 | 49.92 | 48.84 | 49.62 | 49.62 | 0.81% | 487,771 |
| Sep 23, 2026 | 49.12 | 49.83 | 48.86 | 49.22 | 49.22 | 0.06% | 536,338 |
| Sep 22, 2026 | 50.62 | 50.78 | 48.80 | 49.19 | 49.19 | -0.81% | 779,703 |
| Sep 21, 2026 | 50.27 | 50.64 | 49.57 | 49.59 | 49.59 | -1.35% | 615,454 |
| Sep 18, 2026 | 51.31 | 51.31 | 50.00 | 50.27 | 50.27 | -1.78% | 1,633,353 |
| Sep 17, 2026 | 51.54 | 51.76 | 50.93 | 51.18 | 51.18 | -0.78% | 675,523 |
| Sep 16, 2026 | 50.63 | 52.02 | 50.46 | 51.58 | 51.58 | 0.57% | 638,530 |
| Sep 15, 2026 | 52.04 | 52.43 | 51.02 | 51.29 | 51.29 | -2.58% | 869,585 |
| Sep 14, 2026 | 53.18 | 53.60 | 52.19 | 52.65 | 52.65 | 1.08% | 643,056 |
| Sep 11, 2026 | 52.23 | 52.35 | 51.42 | 52.09 | 52.09 | 0.23% | 616,933 |
| Sep 10, 2026 | 51.83 | 52.18 | 51.25 | 51.97 | 51.97 | 0.02% | 715,177 |
| Sep 9, 2026 | 51.63 | 51.99 | 50.95 | 51.96 | 51.96 | -0.04% | 845,873 |
| Sep 8, 2026 | 51.95 | 52.24 | 50.77 | 51.98 | 51.98 | -1.83% | 969,214 |
| Sep 4, 2026 | 52.12 | 53.11 | 51.94 | 52.95 | 52.95 | 0.08% | 586,610 |
| Sep 3, 2026 | 53.11 | 53.73 | 52.21 | 52.91 | 52.91 | 0.86% | 596,134 |
| Sep 2, 2026 | 51.39 | 52.55 | 50.52 | 52.46 | 52.46 | 2.40% | 602,282 |
| Sep 1, 2026 | 52.67 | 53.00 | 51.05 | 51.23 | 51.23 | -3.85% | 823,298 |
| Aug 31, 2026 | 53.23 | 53.85 | 52.90 | 53.28 | 53.28 | -1.02% | 1,050,020 |
| Aug 28, 2026 | 54.14 | 54.59 | 53.67 | 53.83 | 53.83 | -0.73% | 862,535 |
| Aug 27, 2026 | 53.16 | 54.26 | 52.99 | 54.23 | 54.23 | 2.23% | 726,981 |
| Aug 26, 2026 | 51.87 | 53.05 | 51.64 | 53.04 | 53.04 | 1.22% | 741,636 |
| Aug 25, 2026 | 52.37 | 52.70 | 51.72 | 52.40 | 52.40 | -0.02% | 645,367 |
| Aug 24, 2026 | 51.94 | 52.71 | 51.94 | 52.41 | 52.41 | 1.06% | 559,674 |
| Aug 21, 2026 | 51.55 | 52.51 | 51.31 | 51.86 | 51.86 | 0.56% | 562,676 |
| Aug 20, 2026 | 51.79 | 52.08 | 51.38 | 51.57 | 51.57 | -0.77% | 632,653 |
| Aug 19, 2026 | 52.21 | 53.00 | 51.77 | 51.97 | 51.97 | -0.38% | 955,169 |
| Aug 18, 2026 | 52.68 | 53.50 | 51.83 | 52.17 | 52.17 | 0.08% | 966,447 |
| Aug 17, 2026 | 52.62 | 53.11 | 51.86 | 52.13 | 52.13 | -2.45% | 1,155,888 |
| Aug 14, 2026 | 53.96 | 54.13 | 52.49 | 53.44 | 53.44 | -0.41% | 680,777 |
| Aug 13, 2026 | 53.20 | 53.75 | 52.06 | 53.66 | 53.66 | 1.73% | 1,002,303 |
| Aug 12, 2026 | 51.70 | 52.78 | 51.60 | 52.75 | 52.75 | 0.98% | 916,099 |
| Aug 11, 2026 | 52.49 | 53.07 | 51.98 | 52.24 | 52.24 | -1.15% | 1,105,886 |
| Aug 10, 2026 | 52.50 | 53.40 | 51.87 | 52.85 | 52.85 | -1.53% | 1,562,386 |
| Aug 7, 2026 | 54.66 | 55.44 | 52.85 | 53.67 | 53.67 | -2.81% | 2,454,252 |
| Aug 6, 2026 | 52.90 | 57.01 | 51.07 | 55.22 | 55.22 | -4.45% | 1,883,177 |
| Aug 5, 2026 | 58.77 | 59.11 | 56.80 | 57.79 | 57.79 | 1.03% | 971,112 |
| Aug 4, 2026 | 56.84 | 57.53 | 55.73 | 57.20 | 57.20 | -0.30% | 2,120,213 |
| Aug 3, 2026 | 58.39 | 59.30 | 56.62 | 57.37 | 57.37 | 0.07% | 931,485 |
| Jul 31, 2026 | 57.00 | 57.72 | 56.68 | 57.33 | 57.33 | -0.62% | 732,952 |
| Jul 30, 2026 | 59.15 | 59.24 | 57.37 | 57.69 | 57.69 | -4.14% | 661,749 |
| Jul 29, 2026 | 60.06 | 61.08 | 59.68 | 60.18 | 60.18 | 0.35% | 1,086,597 |
| Jul 28, 2026 | 58.63 | 60.53 | 58.63 | 59.97 | 59.97 | 3.61% | 634,750 |
| Jul 27, 2026 | 57.27 | 58.21 | 57.00 | 57.88 | 57.88 | 2.79% | 951,599 |
| Jul 24, 2026 | 55.16 | 56.76 | 55.11 | 56.31 | 56.31 | 3.26% | 507,896 |
| Jul 23, 2026 | 54.64 | 55.28 | 53.98 | 54.53 | 54.53 | -0.33% | 583,105 |
| Jul 22, 2026 | 56.36 | 57.20 | 54.25 | 54.71 | 54.71 | -3.49% | 977,958 |
| Jul 21, 2026 | 55.71 | 57.00 | 55.70 | 56.69 | 56.69 | -0.32% | 869,376 |