Studying the relationship between psychological traits and investors activity in Tehran stock exchange

This study attempts to examine the relationship between some behavioral characteristics (overcon?dence¡ risk tolerance¡ self-monitoring and herd behavior) and investors’ behavior (Stock volume and Frequency of stock transaction) and also to study the relationship between investors’ behavior and investment performance (Stock returns). Statistical population contains all individual investors of Tehran stock exchange. The questionnaires were distributed to individuals who make stock transactions and had at least two transactions in past year. Pearson correlation coefficient tests were used to analyze the data. The finding of the research shows that there is a meaningful and positive connection between overcon?dence and risk tolerance with stock volume and stock frequency. But self-monitoring and herd behavior have not meaningful relationships with stock volume and stock frequency. Also the finding indicates that there is a significance relationship between Stock volume and Frequency of stock transaction with Stock returns.