Investigating the effect of working capital ratios on the performance of listed companies is the aim of this study. Return on assets and return on equity are used to calculate the dependent variable, company performance. The independent variables of this research are gross working capital and net working capital. The spatial domain of this research was the companies admitted to the Tehran Stock Exchange and the temporal domain was the years between 1394 and 1401. The number of observations in the current research is 1704 years-company. According to the scientific classification, in terms of the purpose of this research, it is of the type of applied research, so this research can be classified as applied research. Also, the research methodology is post-event; This means that the research is based on past information. Based on the systematic elimination method, 213 companies were selected as a statistical sample. Also, econometric techniques and Eviuse software have been used to test the hypotheses. The findings of this study showed that working capital ratios have a significant effect on the performance of listed companies.