Notable Call Options Activity in Companhia Siderurgica Nacional

Shares of Companhia Siderurgica Nacional SID are lower on the session by 0.55%, currently trading at $9.88. 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 January 2013 $12.50 call traded 1,200 times on open interest of 1,073 contracts. Calls are outpacing puts today by 4 to 1. Companhia Siderurgica Nacional is an integrated steel producer in Brazil and Latin America. The company focuses on mining, steel production, logistics, cement and energy.