Calls Purchased on BioTime, Inc. (BTIM)

Shares of BioTime, Inc. BTIM are higher on the session by 0.66%, currently trading at $6.09. The stock has been moving largely lower over the past six months, though recently bounced off of the $4.13 level and has rebounded above the 50-day and 200-day moving averages. Options traders are buying calls on BTIM today. A short while ago the March 2011 $7.50 call was purchased 1,000 times, on the offer, on open interest of 1,233 contracts. Overall call volume is now running at 12.73x the daily average, 96% on the offer. BioTime, Inc. is a biotechnology company engaged in two areas of biomedical research and product development. The company's first business segment is blood plasma volume expanders and related technology for use in surgery, emergency trauma treatment, and other applications. Its lead blood plasma expander product, Hextend, is a physiologically balanced intravenous solution used in the treatment of hypovolemia.