Notable Call Options Activity in Silicon Graphics

Shares of Silicon Graphics

are higher on the session by 0.97%, currently trading at $14.52. 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. The strike seeing the heaviest volume is the December 2011 $16.00 call, which has traded 1,500 times on open interest of 10,729 contracts. Calls are outpacing puts today by 71 to 1. Silicon Graphics International Corp. is a technical computing company. It develops, markets, and sells a range of computing servers and data storage, as well as differentiating software.