ACI Worldwide Inc. (ACIW)
Showing Closing Date Range from Jul 18 to Oct 16, 2026 compared to Apr 18 to Jul 17, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:aciworldwide.com/investor
Current Period Close
$52.80
Jul 18, 2026 - Oct 16, 2026
Previous Period Close
$58.07
Apr 18, 2026 - Jul 17, 2026
Net Comparison Delta
$-5.27 (-9.08%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(63 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 16, 2026 | $52.80 | - | - | - |
| Oct 15, 2026 | $52.55 | Jul 17, 2026 | $58.07 | -9.51% |
| Oct 14, 2026 | $51.07 | Jul 16, 2026 | $58.67 | -12.95% |
| Oct 13, 2026 | $51.20 | Jul 15, 2026 | $57.04 | -10.24% |
| Oct 12, 2026 | $51.06 | Jul 14, 2026 | $55.11 | -7.35% |
| Oct 09, 2026 | $50.87 | Jul 13, 2026 | $56.43 | -9.85% |
| Oct 08, 2026 | $51.07 | Jul 10, 2026 | $56.42 | -9.48% |
| Oct 07, 2026 | $50.65 | Jul 09, 2026 | $56.40 | -10.20% |
| Oct 06, 2026 | $50.71 | Jul 08, 2026 | $55.88 | -9.25% |
| Oct 05, 2026 | $51.22 | Jul 07, 2026 | $55.62 | -7.91% |
| Oct 02, 2026 | $50.15 | Jul 06, 2026 | $55.93 | -10.33% |
| Oct 01, 2026 | $49.43 | Jul 02, 2026 | $54.88 | -9.93% |
| Sep 30, 2026 | $48.88 | Jul 01, 2026 | $52.53 | -6.95% |
| Sep 29, 2026 | $48.59 | Jun 30, 2026 | $50.29 | -3.38% |
| Sep 28, 2026 | $49.00 | Jun 29, 2026 | $49.51 | -1.03% |
Page 1 of 5