Notable Call Options Activity in Power-One

Shares of Power-One PWER are higher on the session by 0.95%, currently trading at $6.93. The stock has been moving largely lower over the past three months and is currently trading below the 50-day moving average. Options traders are focusing on calls today. A short while ago the October 2011 $9.00 call traded 4,000 times on open interest of 2,205 contracts. Calls are outpacing puts today by 6 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.