This study examines the impact of stock overvaluation on abnormal stock returns and their volatility over time in listed companies of Tehran Stock Exchange. To measure stock overvaluation. Rhodes-Kropf et al (2005) research and to measure abnormal stock returns and their volatility over time. the Fama and French (1995) three-factor model has been used. https://lockdownsecuritycanada.shop/product-category/antenna-extension/