The goal of this research was prioritize effective financial factors on price stock in Tehran stock exchange with using TOPSIS method. Based on, it was reviewed literature and interviews and specially questionnaire obtain, effective financial factors to analysis with emphasize on TOPSIS technique. The results shown in the entire ratio price to income, historical event share, EPS and return on assets factors were most effect on price index. Finally, it is presented concluding, discussion, implications for managers, and directions for further research.The goal of this research was prioritize effective financial factors on price stock in Tehran stock exchange with using TOPSIS method. Based on, it was reviewed literature and interviews and specially questionnaire obtain, effective financial factors to analysis with emphasize on TOPSIS technique. The results shown in the entire ratio price to income, historical event share, EPS and return on assets factors were most effect on price index. Finally, it is presented concluding, discussion, implications for managers, and directions for further research.