Notable Call Options Activity in Momenta Pharmaceuticals

Shares of Momenta Pharmaceuticals

are higher on the session by 2.32%, currently trading at $16.34. The stock has been moving largely lower over the past two months and is currently trading below at the 50-day average. Options traders are focusing on calls today. A short while ago the September 2011 $18 call traded 1,400 times on open interest of 456 contracts. Momenta Pharmaceuticals, Inc. is a biotechnology company specializing in the characterization and process engineering of complex molecules.