Puts Purchased on Keryx Biopharmaceuticals, Inc.

Shares of Keryx Biopharmaceuticals, Inc. KERX are lower on the session by 1.63%, currently trading at $5.13. The stock has been moving largely higher over the past four months and is currently trading above the 200-day moving average. Options traders are buying puts on the name today. A short while ago the September 2011 $3.00 put was purchased 1,900 times, on the offer, on open interest of 2,030 contracts. Overall put volume is now running at 2.23x the daily average with 100% of all puts traded being purchases on the offer. Keryx Biopharmaceuticals, Inc. is a biopharmaceutical company focused on the acquisition, development and commercialization of pharmaceutical products for the treatment of life-threatening diseases, including cancer and renal disease.