Notable Call Options Activity in Quicksilver Resources

Shares of Quicksilver Resources

are lower on the session by 4.33%, currently trading at $8.18. The stock has been moving largely lower over the past three months and is currently trading below the 50-day average. Options traders are focusing on calls today. A short while ago the September 2011 $9.00 call traded 1,000 times on open interest of 543 contracts. The Sept2011 $10.00 call also traded 2,500 times on open interest of 704 contracts. Calls are outpacing puts 190 to 1. Quicksilver Resources Inc. is an independent energy company. The company is primarily engaged in exploration, exploration, development, exploitation and production of natural gas, natural gas liquids and oil onshore in North America.