CSG Systems International traded at $64.81 this Friday September 5th, increasing $0.19 or 0.29 percent since the previous trading session. Looking back, over the last four weeks, CSG Systems International gained 3.43 percent. Over the last 12 months, its price rose by 38.87 percent. Looking ahead, we forecast CSG Systems International to be priced at 64.27 by the end of this quarter and at 62.68 in one year, according to Trading Economics global macro models projections and analysts expectations.