Cabot Oil & Gas (COG), a Marcellus region focused natural gas producer, is in the fourth spot in terms of least volatile E&P stocks. Cabot Oil & Gas is the least volatile gas-weighted E&P stock. COG’s 200-day volatility was 26.3% as of August 29, 2018. This is lower than that of the SPDR S&P Oil & Gas Exploration & Production ETF (XOP) at 27.5%. Peers Antero Resources (AR) and EQT (EQT) have a 200-day volatility of 31.5% and 34.4%, respectively.