Shares of CVS Caremark Corporation (NYSE:

) are higher on the session by 2.41%, currently trading at $35.84. 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 May 2011 $37.00 call was purchased 12,000 times, on the offer, on open interest of only 4,541 contracts. This signals new positioning on the strike. Overall call volume is now running at 2.12x the daily average with 76% of all calls traded being purchases on the offer. CVS Caremark Corporation is a pharmacy healthcare provider in the United States. It provides pharmacy services through its pharmacy benefit management mail order and specialty pharmacy division, Caremark Pharmacy Services; approximately 7,000 CVS/pharmacy retail stores; retail-based health clinic subsidiary, MinuteClinic, and through its online pharmacy, CVS.com.