Notable Put Options Activity in Momenta Pharmaceuticals

Shares of Momenta Pharmaceuticals MNTA are higher on the session by 1.11%, currently trading at $16.39. The stock has been moving largely lower over the past three months and is currently trading below the 50-day moving average. Options traders are focusing on puts today. A short while ago the September 2011 $15.00 put traded 845 times on open interest of 6,562 contracts. Momenta Pharmaceuticals, Inc. is a biotechnology company specializing in the characterization and process engineering of complex molecules.