Seattle Genetics traded at $228.74 this Wednesday December 13th, decreasing $0.16 or 0.07 percent since the previous trading session. Looking back, over the last four weeks, Seattle Genetics lost 6.91 percent. Over the last 12 months, its price rose by 73.22 percent. Looking ahead, we forecast Seattle Genetics to be priced at 226.84 by the end of this quarter and at 221.24 in one year, according to Trading Economics global macro models projections and analysts expectations.