Occidental Petroleum Corporation (NYSE: OXY ) is the largest operator in the Permian Basin , a key area for shale oil production in the US. The company has an international presence and significant operationsHi, I'm Martin, I focus on maintaining a delta neutral portfolio. I want to be long/short at the same time and benefit from market volatility. I specialize in using options through which I enter and exit trades. I look for market opportunities primarily in small companies, and my search takes me into th ...