This study investigates the price movement characteristics of banking issuers listed on the Indonesia Stock Exchange with macroeconomic indicators as an exogenous variable. By using the k-means clustering based on the monthly rate of return, banks are classified into three clusters, lower,...

We investigated the differential impacts of a new Twitter-based Market Uncertainty index (TMU) and variables for Bitcoin before and during the COVID-19 pandemic. Results showed that TMU is a leading indicator of Bitcoin returns only during the pandemic, and the effect of the TMU on Bitcoin's...

In an attempt to diversify itself away from the dominance of oil on its economy, Saudi Arabia needs to emphasize on the growth of its private sector. Currently, the private sector's contribution to economic growth is meager as the oil sector dominates the economy. This study attempts to assess...

This paper investigates the performance and characteristics of survivor stocks in the S&P 500 index. Using both in-sample and out-of-sample comparisons, survivor stocks outperformed this market index by a considerable margin. Relative to other S&P 500 index companies, survivor stocks tend to be...

There has been an extraordinary decrease in order execution time on stock exchanges in the past two decades. A related question is whether there has been a similar reduction in orders of magnitude for the lengths of the lead lag time between stocks. If the answer is affirmative, and the lengths...

The change of information near light speed, advances in high-speed trading, spatial arbitrage strategies and foreseen space exploration, suggest the need to consider the effects of the theory of relativity in finance models. Time and space, under certain circumstances, are not dissociated and...

In this paper, we examine whether and how green bond issuance affects local air quality and mortality rates in the People's Republic of China. We find that a 1 standard deviation increase in corporates' green bond financing in a city is associated with a 0.6% reduction in local air pollution...

In this paper, we investigate volatility spillovers between oil prices and the stock prices of the companies listed in Borsa Istanbul. We employ the dynamic conditional correlation (DCC) and Baba, Engle, Kraft, and Kroner (BEKK) GARCH models using daily data for the period between June 22, 2015,...

This paper studies portfolio optimization through improvements of ex-ante conditional covariance estimates. We use the cross-section of stock returns over a 52-year sample to analyze trading performance by implementing the machine learning algorithm of hierarchical clustering. We find that...

Understanding sectoral dynamic dependence across equity indexes is crucial for investment decisions and designing economic policy. This study examines the sectoral dependence among 82 Pakistani companies using a vine copula approach and daily data from July 1, 2014, to December 17, 2019. Vine...