Puts Purchased on McKesson Corporation (MCK)

Shares of McKesson Corporation MCK are lower on the session by 1.08%, currently trading at $84.56. 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 $82.50 put was purchased 1,500 times, on the offer, on open interest of 781 contracts. Overall put volume is now running at 2.67x the daily average with 95% of all puts traded being purchases on the offer. McKesson Corporation provides medicines, pharmaceutical supplies, information and care management products and services across the healthcare industry. The Company operates in two segments.