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Full-Text Articles in Social and Behavioral Sciences
Ipo Performance And Trading Around Lock-Up Expiration, Yuchen Wang
Ipo Performance And Trading Around Lock-Up Expiration, Yuchen Wang
Dissertations and Theses Collection (Open Access)
During the lock-up period, company insiders are prohibited from selling their shares for a set period immediately after initial public offerings (IPOs), usually 180 days. This strict prohibition limits the borrowing of securities by short sellers within this period. Therefore, upon reaching the lock-up expiry date, the short-sale constraint may be loosened and new investors may rush into the stock market, which affects asset price and stock return. This thesis focuses on the IPOs’ performance during the lock-up period and the reasons for the unusual performance. The first section commences by questioning the role of the short seller and its …
Multivariate Garch Models For The Greater China Stock Markets, Xiaojun Song
Multivariate Garch Models For The Greater China Stock Markets, Xiaojun Song
Dissertations and Theses Collection (Open Access)
This paper reviews the commonly used multivariate GARCH models and uses the daily data of the four Greater China region stock markets, namely Hongkong, Shanghai,Shenzhen, and Singapore, and data of Japan as one ex-ogenous variable to investigate the volatility and shocks spillover behavior and to establish the market linkage among the four markets. We find that the volatility spillover between Shanghai and Shenzhen is obvious and correlation contagion is detected. Conditional variance and conditional correlations are time varying and dynamic which conforms to the arguments in most of the literature. Shanghai and Shenzhen present a very high correlation level during …