Notable Call Options Activity in Dynavax Technologies

Shares of Dynavax Technologies (NASDAQ: DVAX) are lower on the session by 9.68%, currently trading at $2.52. The stock has been moving largely higher over the past two months and is currently trading above the 50-day moving average.

Options traders are focusing on calls today. A short while ago the November 2011 $2.50 call traded 1,000 times on open interest of 1,550 contracts.

Calls are outpacing puts today by 1,000 to 1.

Dynavax Technologies Corporation is a biopharmaceutical company that discovers and develops products to prevent and treat infectious diseases, asthma and inflammatory and autoimmune diseases.