Notable Call Options Activity on Exterran

Shares of Exterran

are lower on the session by 5.72%, trading at $8.74. The stock has been moving largely lower over the past two months and is currently trading below the 50-day moving average. Options traders are focusing on calls today. The strike seeing the heaviest action is the August 2012 $12.50 call, which has traded 1,000 times on open interest of 22 contracts. Call volume is outpacing put volume by 1,000 to 1. Exterran Holdings, Inc. is a natural gas compression services company. The company is a provider of operations, maintenance, service and equipment for oil and natural gas production, processing and transportation applications