Notable Call Options Activity in Power-One

Shares of Power-One

are lower on the session by 3.94%, currently trading at $4.75. The stock has been moving largely higher over the past five weeks and is currently trading above the 50-day moving average. Options traders are focusing on calls today. The strike seeing the heaviest volume is the January 2012 $5 call, which has traded 2,000 times on open interest of 5,896 contracts. Calls are outpacing puts today by 33 to 1. Power-One, Inc. is a designer and manufacturer of inverters for the renewable energy industry. It makes alternating current/direct current and direct current/ direct current power supplies, converters, and power management products for the servers, storage, networking, network power systems and industrial markets.