In comparison to developed securities markets, it is intriguing to observe that the Chinese stock market's momentum or reversal effect is inconsistent. We address this controversy using a novel paradigm based on functional data analysis (FDA) with the goal of reconciling previous inconsistency....

In 2016, Eugene Fama mentioned that he wanted a systematic way of identifying and predicting a stock market bubble. This paper develops a simple statistical method to sequentially monitor the stock market price changes. A new and simple boundary function is proposed, and asymptotic properties...