This study aims to investigate the predicting ability of net income and other comprehensive income on earning persistence, and investigate the relationship between components of other comprehensive income and earning persistence. Multiple regression models were used three times, first to test the predicting ability of net income on earning persistence, second estimated regression model to test the predicting ability of other comprehensive income on earning persistence, third to test the relationship between components of other comprehensive income on earning persistence. In order to meet the objectives of this study, random sample of 35 Egyptian corporation listed in Egyptian stock exchange were selected from 7 economic sector, from 2017 up to 2021, and the results are: 1- This study found a positive relationship between net income and earning persistence. 2- This study found a positive relationship between other comprehensive income and earning persistence. 3- This study found positive relationship between gains or losses resulting from translation of financial statements and earning persistence. Key words: Predicting ability, Comprehensive income, Net income, Earning persistence.