ACI Worldwide Inc. (ACIW)
Showing Closing Date Range from Oct 14 to Oct 21, 2026 compared to Oct 6 to Oct 13, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:aciworldwide.com/investor
Current Period Close
$53.86
Oct 14, 2026 - Oct 21, 2026
Previous Period Close
$51.20
Oct 06, 2026 - Oct 13, 2026
Net Comparison Delta
+$2.66 (+5.20%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 21, 2026 | $53.86 | Oct 13, 2026 | $51.20 | +5.20% |
| Oct 20, 2026 | $54.54 | Oct 12, 2026 | $51.06 | +6.82% |
| Oct 19, 2026 | $52.22 | Oct 09, 2026 | $50.87 | +2.65% |
| Oct 16, 2026 | $52.80 | Oct 08, 2026 | $51.07 | +3.39% |
| Oct 15, 2026 | $52.55 | Oct 07, 2026 | $50.65 | +3.75% |
| Oct 14, 2026 | $51.07 | Oct 06, 2026 | $50.71 | +0.71% |