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) -- The ex-dividend date for LyondellBasell Industries (NYSE: LYB) is tomorrow, May 30, 2013. Owners of shares as of market close today will be eligible for a dividend of 50 cents per share. At a price of $66.03 as of 11:06 a.m. ET, the dividend yield is 3%. The average volume for LyondellBasell has been 4.4 million shares per day over the past 30 days. LyondellBasell has a market cap of $37.82 billion and is part of the basic materials sector and chemicals industry. Shares are up 17.7% year to date as of the close of trading on Tuesday. LyondellBasell Industries N.V., together with its subsidiaries, manufacturers and sells chemicals and polymers; refines crude oil; produces gasoline blending components; and develops and licenses technologies for the production of polymers. The company has a P/E ratio of 12, below the S&P 500 P/E ratio of 17.7.