The role of liquidity factor in explaining the stock returns: New evidence from Tehran Stock Exchange

Document Type : Research Paper


1 Associate Professor, Faculty of Management and Accounting, Islamic Azad University, Firoozkuh Branch, Firoozkuh, Iran

2 MSc., Faculty of Management and Accounting, Islamic Azad University, Firoozkuh Branch, Firoozkuh, Iran


This paper examines the role of liquidity factor in explaining the cross-section of stock returns of firms listed on Tehran Stock Exchange. The regression results of CAPM, Liu's two-factor model, the Fama-French three-factor model, and a Four-factor model in eight portfolios formed by Size, B/M Ratio, and Liquidity show that the two-factor (market and liquidity) model outperforms the CAPM in  explaining the cross-section of stock returns but not the Fama-French three-factor model. Adding liquidity premium to Fama-French three-factor model notably improves the adjusted R square of the model implying that all four factors of market, size, value, and liquidity play a significant role in explaining stock returns. The results are robust to sensitivity analyses for up and down market conditions and seasonal behavior.


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