Calls Purchased on DaVita Inc. (DVA)

Shares of DaVita Inc. DVA are higher on the session by 0.92%, currently trading at $83.60. 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 calls on the name today. A short while ago the July 2011 $90.00 call was purchased 1,000 times, on the offer, on open interest of 1,509 contracts. Overall call volume is now running at 8.01x the daily average with 73% of all calls traded being purchases on the offer. DaVita Inc. is a provider of dialysis services in the United States for patients suffering from chronic kidney failure, which is an end stage renal disease. The company provides hospital inpatient hemodialysis services, excluding physician services, to patients in approximately 750 hospitals.