Abstract

The main purpose of this study is surveying the relationship between stock market maker and liquidity. The population of this study are the companies that accepted at Tehran stock exchange during the resent six years from 2007 to 2012. They were includes 520 companies in 37 industry groups. To observe comparability their financial period was end of March. We have chosen data from available company in Tehran Stock Exchange. To collecting data with considering companies situation, 98 companies were selected as sample from 19 industry groups. In order to analyze the data resulted from collected questionnaires deductive and descriptive statistical methods are used. The results K-S Test shows the test distribution is Normal. So we can use Multi Regression (Chow Test, Hausman Test, Panel data, ..) to test the hypothesis of the research. In order to determine the relationship between the variables of the study, the SPSS tool has been used. Findings show that there is a coalification relationship between Stock market maker and liquidity in Tehran Stock Exchange accepted companies. Keywords: Stock market maker, liquidity, number of Stock traded, stock buyers count, number of shares traded