Puts Purchased on Hansen Medical

Shares of Hansen Medical HNSN are lower on the session by 0.60%, currently trading at $3.29. The stock has been moving largely lower over the past six weeks and is currently trading below the 50-day moving average. Options traders are buying puts on the name today. A short while ago the August 2011 $2.50 put traded 1,600 times on open interest of 0 contracts. Overall put volume is now running at 10.83x the daily average with 96% of all puts traded being purchases on the offer. Hansen Medical, Inc. develops, manufactures and sells generation of medical robotics designed for accurate positioning, manipulation and stable control of catheters and catheter-based technologies.