Purpose – This study focuses on the profitability of momentum trading in the Korean stock market. More specifically, an examination of the relationship between momentum returns and idiosyncratic volatility (IVol) is conducted to determine whether momentum profits can be explained by...

We investigate the daily short-selling by foreign investors and their impact on stock price, liquidity, and volatility in the Korean stock market. From January 1, 2006 to May 31, 2010, we find that the majority of short-selling is performed by foreign, rather than by domestic, investors and that...

This study quantifies the dynamic interrelationship between the KOSPI index return and search query data derived from the Naver DataLab. The empirical estimation using a bivariate GARCH model reveals that negative contemporaneous correlations between the stock return and the search frequency...

This paper examines the role of illiquidity and duration factor in understanding the momentum profit in the Korean stock market. We find that the foreigner/institutional illiquidity factor explains the momentum effect. In addition, this paper finds that duration factor defined as the difference...

We examine the effects of the North Korea-U.S. summit and related events on the South Korean stock market over the period March 2018 to June 2018. Employing the event study methodology, we estimate sectoral abnormal returns following the events surrounding the summit and conduct several...

This empirical study examines the short-run lead-lag relationship between the VKOSPI index futures and its underlying spot index and KOSPI index using daily data from September 17, 2014 to May 2017. We used the unit root test, Johansen-Juselius cointegration test, Granger causality analysis,...

Many emerging markets have experienced significant changes in government policies and capital market reforms. These changes may lead to changes in their return-generating processes. Based on Markov-switching models, this paper investigates whether there is more than one regime in the...

We investigate the significance of extreme positive returns (MAX) in the cross- sectional pricing of stocks in South Korea. Our results provide important out of sample evidence of a strong negative MAX effect similar to that documented by Bali et al., (2011) in the U.S. stock market. For...

This paper introduces a new class of long memory model for volatility of stock returns, and applies the model on squared returns for BRICS (Brazil, Russia, India, China, and South Africa) countries. The conditional first- and second-order moments are provided. The CLS, FGLS and QML estimators...

This research considers the strategies on the initial public offering of company equity at the stock exchanges in the imperfect highly volatile global capital markets with the nonlinearities. We provide the IPO definition and compare the initial listing requirements on the various markets. We...