Notable Call Options Activity in Alexza Pharmaceuticals

Shares of Alexza Pharmaceuticals

are lower on the session by 40.40%, currently trading at $0.59. The stock has been moving largely lower over the past six weeks and is currently trading below the 50-day moving average. Options traders are focusing on calls today. The strike seeing the heaviest volume is the December 2011 $1.00 call, which has traded 7,700 times on open interest of 8,878 contracts. Calls are outpacing puts today by 18 to 1. Alexza Pharmaceuticals, Inc. is a pharmaceutical company focused on the research, development, and commercialization of products for the acute treatment of central nervous system conditions.