Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model. NEW YORK ( TheStreet) -- Pioneer Natural Resources Company (NYSE: PXD) hit a new 52-week high Monday as it is currently trading at $133.89, above its previous 52-week high of $133.68 with 1.3 million shares traded as of 11:15 a.m. ET. Average volume has been 1.8 million shares over the past 30 days. Pioneer Natural has a market cap of $17.26 billion and is part of the basic materials sector and energy industry. Shares are up 21.6% year to date as of the close of trading on Friday. Pioneer Natural Resources Company operates as an independent oil and gas exploration and production company in the United States and South Africa. The company produces and sells oil, natural gas liquid (NGL), and gas. The company has a P/E ratio of 257.8, above the S&P 500 P/E ratio of 17.7.