Zahra Farhadi - University of bojnord
Mohammad Vahdani - University of bojnord
Abdolhossein Talebi Najafabadi - University of bojnord
Narjes Kamali Kermani - University of bojnord

The main purpose of this research is to investigate the relationship between specific fluctuations, liquidity risk and stock returns in companies listed in Tehran Stock Exchange. This research reveals the importance of information such as special fluctuations and liquidity risk and their role in determining the additional return on portfolios of companies to assist decision making of actual and potential investors in the stock market. In order to investigate purpose of this research, quarterly financial information of ۱۵۲ companies among companies listed in Tehran Stock Exchange during the period ۲۰۱۲-۲۰۱۶ was examined. After collecting the required research data, panel data was used to test the hypotheses. Also, Eviews software has been used to test hypotheses. The results showed that special fluctuations have a positive and significant impact on liquidity risk and stock return. In addition, results showed that no reliable evidence indicating the impact of liquidity risk on stock return was found at ۹۵% significance level.

special fluctuations, liquidity risk, Fama–French three-factor model, Stock return