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required rate of return of portfolios. Understanding systematic risk of usual portfolio of various
companies, investors consider financial investment more confidentially. The aim of this study is to
determine if there is any significant relationship between Profitability indices (earnings per share
ratio, rate of return on investment, return on equity) as independent variables and Systematic risk
(Beta) as dependent variables. To do so 102 companies accepted in Tehran Stock Market were
selected based on screening (systematic deletion) in a Seven-year- period between "2004-2010".
The required data were gathered from basic financial statement, committee reports, and other
available documents in Tehran Stock Market. Regression and Pearson correlation were used to
analyze the data. The results of the study revealed that there is significant relationship between
profitability indices and systematic risk based on the capital asset pricing model among accepted
companies in Tehran stock market. Some suggestions regarding the topic of the research are given
too.
کلید واژگان :
Earnings per Share Ratio, Rate of Return on Investment, Return on Equity, Systematic Risk (Beta).
