In this paper, we evaluate the performance of the ability of Markov-switching multifractal (MSM), implied, GARCH, and historical volatilities to predict realized volatility for both the S&P 100 index and equity options. Some important findings are as follows. First, we find that the ability of...

This study investigates the long-memory property and the fractionally cointegration between absolute changes in observed stock prices and implied stock prices from option pricing model. We find a stylized fact that absolute price movements in stock and option markets are characterized by long...

This study investigates the impact of idiosyncratic volatility on investment behavior of market participants in Taiwan equity market. Empirical results show that herd behavior exists in this equity market, and herding shows distinct patterns under various portfolios according to idiosyncratic...

This paper examines the intraday performance of contrarian strategies using data from 438 listed stocks on the Taiwan Stock Exchange in 2004. The results indicate significantly positive abnormal returns for the contrarian strategies. For the whole trading day, the contrarian strategies earn an...

Corruption is a critical social and ethical problem that can impede the economic growth of a country or even ruin a country. In addition, the importance of the sovereign rating of a country cannot be underestimated. A change in the sovereign rating of a country can affect its borrowing capacity....

This paper examines the impact of market states on the profitability of momentum strategies using weekly data from the Taiwan Stock exchange over the 10-year period 1997-2006. Market states refer to the states of market such as up or down markets. In this paper, the formation period is defined...