Notable Put Options Activity in Seattle Genetics

Shares of Seattle Genetics SGEN are higher on the session by 1.20%, currently trading at $16.86. The stock has been moving largely higher over the past three weeks and is currently trading above the 50-day moving average. Options traders are focusing on puts today. A short while ago the September 2011 $15 put traded 2,500 times on open interest of 3,898 contracts. Put volume is outpacing call volume 11 to 1. Seattle Genetics, Inc. is a clinical stage biotechnology company focused on the development and commercialization of monoclonal antibody-based therapies for cancer and autoimmune diseases.