نوع مقاله : مقاله پژوهشی
نویسندگان
1 استادیار گروه آموزشی مهندسی مالی و مدیری ت مالی، دانشکده علوم مالی، دانشگاه خوارزمی، تهران، ایران
2 کارشناسی ارشد مدیریت مالی،دانشکده علوم مالی، دانشگاه خوارزمی، تهران، ایران
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
The existence and integration of private information in the financial market will create noise and induce investors to trade in order to attain profits. Another important parameter in capital market is the investors sentiment, which can play an effective role in stock price trends and market transactions. Unprecedented growth of the stock market index and the entry of many Individual investors who do not have enough information that they sometimes trade under the influence of sentiment, the study of this issue has made more important. To this end, in this research we investigate the relationship between investor sentiment and informed trading in Tehran Stock Exchange, by using the statistical data of 167 firms listed in Tehran Stock Exchange from 15 various industries during ten years from March 2010 to March 2020. We use the Baker-Wurgler sentiment index as our primary measure of investor sentiment that Measured by principal component analysis. Also, we use the private-information-based trading measure advocated by Llorente. The results show that the positive investors sentiment have no significant effect, but negative sentiment have a significant negative effect on private-information-based trading. As in periods with negative sentiment, we see a decrease in private information trading and an increase in the amount of uninformed trading in the next period.
کلیدواژهها [English]