Similar Search Results

Asymmetric Volatility in Nepalese Stock Market

Gajurel, Dinesh - 2020

This paper investigates the asymmetric volatility behavior of Nepalese stock market including the spillover effects … from the US and Indian equity markets. We model asymmetric volatility within generalized autoregressive conditional … compared to the results in other international equity markets: positive shocks increase volatility by more than negative shocks …

Persistent link: https://www.econbiz.de/10014352216

Relative Signal Jump Variance, Investor Attention, and the Cross-Section of Chinese Stock Returns

Dai, Yiming; Long, Huaigang; Zaremba, Adam; Zhu, Yanjian - 2023

We estimate the relative signal jump variance (RSJV) as the difference between the realized positive half-variance and negative half-variance divided by the realized variance using high-frequency intraday data and investigate its role in the cross-sectional pricing in the Chinese stock market....

Persistent link: https://www.econbiz.de/10014258401

Abnormal returns and idiosyncratic volatility puzzle : an empirical investigation in Vietnam stock market

Xuan Vinh Vo; Van Phong Vo; Thanh Phuc Nguyen - In: Cogent economics & finance 8 (2020) 1, pp. 1-25

This paper aims to examine the relation between idiosyncratic volatility (IVOL) and stock returns with full-sample and …

Persistent link: https://www.econbiz.de/10012219258

Impact of public news sentiment on stock market index return and volatility

Anese, Gianluca; Corazza, Marco; Costola, Michele; … - 2021

Recent advances in natural language processing have contributed to the development of market sentiment measures through text content analysis in news providers and social media. The effectiveness of these sentiment variables depends on the implemented techniques and the type of source on which...

Persistent link: https://www.econbiz.de/10012629835

A comparative analysis of the nature of stock return volatility in BRICS and G7 markets

Muguto, Lorraine; Muzindutsi, Paul-Francois - In: Journal of risk and financial management : JRFM 15 (2022) 2, pp. 1-27

growing importance of emerging markets, the literature on the nature of volatility in global markets is typified by … volatility in developed G7 and emerging BRICS markets. Broad market index data and GARCH models over the period 2003 …:01–2020:08 were employed. The study found evidence of volatility persistence, asymmetry, mean reversion and weak evidence of a risk …

Persistent link: https://www.econbiz.de/10012872753

COVID-19 Infection Data, Policy Interventions or Sentiment; What Explains International Stock Returns and Volatility?

Virk, Nader - 2021

We examine the impact of COVID-19 (C-19) pandemic on global equity markets by constructing novel infection indices. Our results show that the impact of prompt and large-scale policy interventions is ambiguous yet statistically significant. However, in this equivocality, the impact of global...

Persistent link: https://www.econbiz.de/10013242732

Changes of the Time Intervals Specific to Calendar Anomalies : The Case of TOQ Effect on Bucharest Stock Exchange

Stefanescu, Razvan - 2020

The Turn-of-the-quarter (TOQ) Effect is a calendar anomaly consisting in abnormal returns occurring in a specific time interval, that starts in the mth last trading day of a quarter (BQ-m) and ends in the nth last trading day of a quarter (BQ+n). As many other anomalies, the TOQ Effect is not...

Persistent link: https://www.econbiz.de/10012824545

Changes in the Behavior of Stocks Returns During the Turn-of-the-Quarter

Dumitriu, Ramona - 2019

Some calendar anomalies are not persistent in time. They experience various changes, including the modifications on their specific time intervals. This paper approaches the persistence in time of the abnormal returns of stock returns from United States capital market during the...

Persistent link: https://www.econbiz.de/10012861241

The overpricing of popular high-risk stocks

Chague, Fernando; Giovannetti, Bruno; Guimaraes, Bernardo - 2021

We argue that the sheer rational expectation about some typical behaviors of retail investors can induce large and persistent overpricing in popular high-risk stocks. It is well-known that retail investors like distressed stocks. Hence, in a distress scenario, retail investors' increased demand,...

Persistent link: https://www.econbiz.de/10013237473

A Re-Examination of the Equity Market’s Underreaction or Overreaction to Liquidity Shocks

Dong, Mengming (Michael) - 2022

In this paper, I examine the conflicting evidence in the finance literature on whether the equity market underreacts or overreacts to liquidity shocks. Using comprehensive stock-level news data, I find that the market underreacts to liquidity shocks, whether or not there is contemporaneous...

Persistent link: https://www.econbiz.de/10014236354