Puts Purchased on Momenta Pharmaceuticals (MNTA)

Shares of Momenta Pharmaceuticals MNTA are higher on the session by 0.57%, currently trading at $19.29. The stock has been moving largely higher over the past four months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying puts on the name today. A short while ago the September 2011 $15.00 put was purchased 1,000 times, on the offer, for $1.20 on open interest of only 81 contracts. This signals new positioning on the name. Overall put volume is now running at 3.10x the daily average with 80% of all puts traded being purchases on the offer. Momenta Pharmaceuticals, Inc. is a biotechnology company specializing in the characterization and process engineering of complex molecules. These complex molecules include proteins, polypeptides, and cell surface polysaccharides, such as heparan-sulfate proteoglycans.