ACI Worldwide traded at $50.25 this Friday September 5th, increasing $0.61 or 1.23 percent since the previous trading session. Looking back, over the last four weeks, ACI Worldwide gained 19.22 percent. Over the last 12 months, its price rose by 5.08 percent. Looking ahead, we forecast ACI Worldwide to be priced at 49.83 by the end of this quarter and at 48.60 in one year, according to Trading Economics global macro models projections and analysts expectations.