ACI Worldwide closed at $59.19 on Nov 4, up 1.30%, 1.6% below its 52-week closing high. Volume of 2.0M shares was 2.60× its 20-day average (well above normal).
Split-adjusted performance: +16.7% over one month, +36.8% over six months, +24.2% over one year.
In the quarter ended Jun 30, 2026, revenue was $430.42M, up 7.3% from a year earlier, with a net margin of 7.4%.
Short interest was 6.3M shares at the Oct 15 settlement, down 1.5% from the prior report (6.3% of float, 9.7 days to cover).