NEW YORK ( TheStreet) -- Shares of Oasis Petroleum Inc (NYSE: OAS) were gapping down Tuesday morning with an open price 10.4% lower than Monday's closing price. The stock closed at $20.26 Monday and opened today's trading at $18.16.

The average volume for Oasis has been 1.5 million shares per day over the past 30 days. Oasis has a market cap of $2.1 billion and is part of the basic materials sector and energy industry. Shares are down 25.3% year to date as of the close of trading on Monday.

Oasis Petroleum Inc., through its subsidiary, Oasis Petroleum LLC, engages in the acquisition and development of oil and natural gas resources primarily in the Williston Basin. Its oil and natural gas properties are located primarily in the Montana and North Dakota areas of the Williston Basin. The company has a P/E ratio of 3.2, below the average energy industry P/E ratio of 37.8 and below the S&P 500 P/E ratio of 17.7.

TheStreet Ratings rates Oasis as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth and compelling growth in net income. However, as a counter to these strengths, we find that the company has not been very careful in the management of its balance sheet. You can view the full Oasis Ratings Report.

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