Puts Purchased on MAKO Surgical Corp. (MAKO)

Shares of MAKO Surgical Corp. MAKO are higher on the session by 1.84%, currently trading at $16.06. The stock has been moving largely higher over the past six 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 May 2011 $12.50 put was purchased 4,250 times, on the offer, on open interest of 5,613 contracts. Overall put volume is now running at 9.32x the daily average with 98% of all puts traded being purchases on the offer. MAKO Surgical Corp. is a medical device company that markets its advanced robotic arm solution and orthopedic implants for minimally invasive orthopedic knee procedures. The company offers MAKOplasty, a restorative surgical solution that enables orthopedic surgeons to treat patient-specific, early to mid-stage osteoarthritic knee disease.