Investigation the sudden volatility of stock value of the Tehran stock exchange relying on preferences of investors and quality of accounting information

Nowadays, investors consider different factors to choose for investment. The goal of this research is the investigation the influence of the preferences of the investors and the quality of the accounting information on the sudden volatility of the stock market value in the Tehran stock exchange. The related community in this research are the companies that are membership of the stock market of Tehran on during the period 2004_2014. The analysis of the data was done by using the logit panel econometrics approach. Results show that the quality of the accounting information has a positive and a significant effect on the future sudden volatility of the stock market. Also the results of the research emphasize that significant effect of the preferences of investors on the future sudden volatility of the stock market. In fact the information quality and the preferences of the investors can forecast the future sudden volatility of the stock market value.