This study aims to determine the effect of Price Earning Ratio (PER) and Return On Assets (ROA) on Stock Returns at PT. United Tractors Tbk. The type of research conducted is Causal Associative research which aims to analyze the relationship between one variable with another variable or how one variable affects other variables. The population in this study is all financial statements at PT. United Tractors Tbk. The sample used is a financial report at PT. United Tractors Tbk. From 2010-2017. Based on the results of t PER test has a significance value of 0.019 0.05 and has a regression coefficient of 0.099 which means that PER has a positive and significant influence on stock returns at PT. United Tractors Tbk. ROA has a significance value of 0.887 0.05 and has a regression coefficient of 0.004 which means that ROA has a negative and significant effect on stock returns at PT. United Tractors Tbk. Based on the F, PER and ROA test has a significance value of 0.042 0.05 and shows the value of Fcount Ftable where 6731 5.786 which means that simultaneously PER and ROA have a positive and significant effect on stock returns. The value of the coefficient of determination (R²) is 0.605. So it can be concluded that 60.5% of stock returns are influenced by PER and ROA and the remaining 39.5% is influenced by other variables not examined in this study.