Notable Call Options Activity in BioCryst Pharmaceuticals

Shares of BioCryst Pharmaceuticals BCRX are higher on the session by 9.65%, currently trading at $3.41. The stock has been moving largely higher over the past three weeks and is currently trading above the 50-day moving average. Options traders are focusing on calls today. A short while ago the September 2011 $4.00 call traded 570 times on open interest of 664 contracts. Calls are outpacing puts today by 50 to 1. BioCryst Pharmaceuticals, Inc. is a biotechnology company that designs, optimizes and develops novel drugs that block enzymes involved in cancer, viral infections and autoimmune diseases.