Notable Call Options Activity in ON Semiconductor

Shares of ON Semiconductor

are higher on the session by 1.32%, currently trading at $8.06. The stock has been moving largely higher over the past three 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 December 2011 $8.00 call, which has traded 10,000 times on open interest of 4,585 contracts. Calls are outpacing puts today by 53 to 1. ON Semiconductor Corporation is a supplier of silicon solutions for energy electronics. The company designs, manufactures and markets a portfolio of semiconductor components.