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Bubbles across Meme Stocks and Cryptocurrencies

Aloosh, Arash; Ouzan, Samuel; Hussain Shahzad, Syed Jawad - 2022

This study examines the price explosiveness of stocks whose purchase Robinhood restricted during the GameStop episode. We find that those “meme stocks” comprise multiple periods of explosiveness, indicating that they are unlikely to be an epiphenomenon. We also document evidence of price...

Persistent link: https://www.econbiz.de/10013404321

Testing for single bubble episode in the Nigerian stock market : an empirical investigation

Iliyasu, Jamilu; Saba, Ndayezhin D. - In: CBN journal of applied statistics 10 (2019) 1, pp. 29-49

This study evaluates a single bubble episode in the Nigerian Stock Exchange (NSE) by utilizing monthly data on nominal and real all-share index (ASI) from January 2010 to December 2017. Analysis of data based on Sup Augmented Dickey-Fuller (SADF) test for bubble detection suggests non-existence...

Persistent link: https://www.econbiz.de/10012178349

Day-of-the-week effect in the Nigerian stock market returns and volatility : does the distributional assumptions influence disappearance?

Osarumwense, Osabuohien-Irabor - In: European financial and accounting journal : EFAJ 10 (2015) 4, pp. 33-44

This study assesses the influence of error distributional assumption on appearance or disappearance of day-of-the-week effects in returns and volatility using the Nigerian stock exchange (NSE-30). The Gaussian, Student-t, and the Generalized error distribution were incorporated in the GARCH...

Persistent link: https://www.econbiz.de/10011471089

Investor Sentiment, Volatility and Stock Return Comovements

Chandra, Abhijeet - 2013

We study the stock return comovements from two different perspectives, one being trading behaviour-induced return comovements and the other volatility-induced return comovements. Following Baker and Wurglur (2006), we construct an investor sentiment index and examine whether it has relationship...

Persistent link: https://www.econbiz.de/10013073102

Are International Equity Market Returns Predictable?

Chun, Sungju - 2009

The slope coefficient estimator in predictive regressions for stock returns is biased by a lagged stochastic regressor. There is also a spurious regression if the underlying expected return is highly persistent. This paper studies how the interactions between the two biases affect inferences...

Persistent link: https://www.econbiz.de/10013155218

Signaling Asset Price Bubbles with Time-Series Methods

Taipalus, Katja - 2012

This paper provides an early warning indicator for bubbles in financial markets. The indicator is based on traditional … consensus bubbles and gives warning signals well ahead of the crash, in most cases as early as 12 months ahead. The indicator … also signals most of the 'negative bubbles' before their turning points …

Persistent link: https://www.econbiz.de/10013111338

Persistence in the Russian stock market volatility indices

Caporale, Guglielmo Maria; Gil-Alaña, Luis A.; … - 2018

This paper applies a fractional integration framework to analyse the stochastic behaviour of two Russian stock market volatility índices (namely the originally created RTSVX and the new RVI that has replaced it), using daily data over the period 2010-2018. The empirical findings are consistent...

Persistent link: https://www.econbiz.de/10011903723

Persistence in ESG and conventional stock market indices

Caporale, Guglielmo Maria; Gil-Alaña, Luis A.; … - 2021

This paper uses R/S analysis and fractional integration techniques to examine the persistence of two sets of 12 ESG and conventional stock price indices from the MSCI database over the period 2007-2020 for a large number of both developed and emerging markets. Both sets of results imply that...

Persistent link: https://www.econbiz.de/10012520863

Stock Market Bubbles and Anti-Bubbles

Tarlie, Martin - 2018

Using a simple model of equity valuation, we de fine stock market bubbles and anti-bubbles as periods in which the … dynamics of valuation is temporarily explosive. We identify a mechanism for the creation and destruction of bubbles and anti-bubbles …

Persistent link: https://www.econbiz.de/10012935334

Evidence of Rational Bubble in Indonesian Stock Market

Tumengkol, Erwin Andreas - 2011

The present value model is a popular and reasonable model used to assessing the stock price in accordance with the rational expectations. In fact, that we see that stocks overvalued may become more overvalued. We argue that investor has another aspect when valuing a stock price. Furthermore, we...

Persistent link: https://www.econbiz.de/10013125810

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