Investigating the performance of companies is one of the most important issues for the users of accounting information. The purpose of this study was to provide evidence about the effect of asymmetric appropriateness on investors' expectations. The results of the research on accepted companies In the Tehran Stock Exchange during the period from 2012 to 2016. To collect data, a library method was used and referring to financial statements, explanatory notes and monthly stock exchange of the Stock Exchange. Using Cochran sampling method, 120 firms were selected as the statistical sample. To analyze the data, multivariate regression analysis was used to confirm the rejection and research hypotheses (ivyz software). The results showed that asymmetric accountability leads to different expectations of investors about the company's outlook, and the negative relationship between asymmetric verification (conservatism) and investors' controversy is weaker with the release of good news and gets worse by the publication of bad news. The results are consistent with the documentation referred to in the theoretical framework of financial research and literature, such as the theory of vision and the concepts of behavioral and financial behavior, and the publication of good and bad news has a significant role.