Notable Call Options Activity in A123 Systems

Shares of A123 Systems (NASDAQ: AONE) are lower on the session by 16.19%, currently trading at $2.07. The stock has been moving largely higher over the past six weeks, though it is currently trading below the 50-day moving average.

Options traders are focusing on calls today. The strike seeing the heaviest volume is the March 2012 $2.00 call, which has traded 687 times on open interest of 1,128 contracts.

Calls are outpacing puts today by 4 to 1.

A123 Systems, Inc. designs, develops, manufactures and sells rechargeable lithium-ion batteries and battery systems, and provides research and development services to Government agencies and commercial customers.