Abstract

The aim of this study is to review the relation between free float stock rate and stock yield rate of the listed companies in Tehran Stock Exchange. This research is semi-experimental. In this research, the independent variant is the free float stock percentage of the companies, while the dependent variant is the stock yield rate of the companies. The overall purpose of this study is for investors and stock exchange companies to discover the relation between free float stock and stock yield rate of the stock exchange companies in different amplitudes of free float stock and various industries, and make an awareness decision according to the result of this research. This research was carried out from 2005 to 2009 in Tehran Stock Exchange. Finally, the research result shows that there is no relation between free float stock and stock yield rate of the companies; although, this relation is different in various amplitudes of the free float stock.

Key words: Free float stock, stock yield, index, investment, Tehran Stock Exchange.