Calls Purchased on Hansen Medical (HNSN)

Shares of Hansen Medical HNSN are lower on the session by 4.55%, currently trading at $2.10. The stock has been moving largely higher over the past two months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying calls on the name today. A short while ago the March 2011 $2.50 call was purchased 2,000 times, on the offer, on open interest of 2,681 contracts. Overall call volume is now running at 4.13x the daily average with 73% of all calls 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.