COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches

Cryptocurrencies are relatively new and innovative financial assets. They are a topic of interest to investors and academics due to their distinctive features. Whether financial or not, extraordinary events are one of the biggest challenges facing financial markets. The onset of the COVID-19 pandemi...

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Main Authors: Dora Almeida, Andreia Dionísio, Isabel Vieira, Paulo Ferreira
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/25/1/98
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author Dora Almeida
Andreia Dionísio
Isabel Vieira
Paulo Ferreira
author_facet Dora Almeida
Andreia Dionísio
Isabel Vieira
Paulo Ferreira
author_sort Dora Almeida
collection DOAJ
description Cryptocurrencies are relatively new and innovative financial assets. They are a topic of interest to investors and academics due to their distinctive features. Whether financial or not, extraordinary events are one of the biggest challenges facing financial markets. The onset of the COVID-19 pandemic crisis, considered by some authors a “black swan”, is one of these events. In this study, we assess integration and contagion in the cryptocurrency market in the COVID-19 pandemic context, using two entropy-based measures: mutual information and transfer entropy. Both methodologies reveal that cryptocurrencies exhibit mixed levels of integration before and after the onset of the pandemic. Cryptocurrencies displaying higher integration before the event experienced a decline in such link after the world became aware of the first cases of pneumonia in Wuhan city. In what concerns contagion, mutual information provided evidence of its presence solely for the Huobi Token, and the transfer entropy analysis pointed out Tether and Huobi Token as its main source. As both analyses indicate no contagion from the pandemic turmoil to these financial assets, cryptocurrencies may be good investment options in case of real global shocks, such as the one provoked by the COVID-19 outbreak.
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spelling doaj.art-c6b292bfccdc45d297a773aef69037102023-11-30T22:08:37ZengMDPI AGEntropy1099-43002023-01-012519810.3390/e25010098COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics ApproachesDora Almeida0Andreia Dionísio1Isabel Vieira2Paulo Ferreira3CEFAGE, IIFA—Center for Advanced Studies in Management and Economics, University of Évora, Largo dos Colegiais 2, 7004-516 Évora, PortugalCEFAGE, IIFA—Center for Advanced Studies in Management and Economics, University of Évora, Largo dos Colegiais 2, 7004-516 Évora, PortugalCEFAGE, IIFA—Center for Advanced Studies in Management and Economics, University of Évora, Largo dos Colegiais 2, 7004-516 Évora, PortugalCEFAGE, IIFA—Center for Advanced Studies in Management and Economics, University of Évora, Largo dos Colegiais 2, 7004-516 Évora, PortugalCryptocurrencies are relatively new and innovative financial assets. They are a topic of interest to investors and academics due to their distinctive features. Whether financial or not, extraordinary events are one of the biggest challenges facing financial markets. The onset of the COVID-19 pandemic crisis, considered by some authors a “black swan”, is one of these events. In this study, we assess integration and contagion in the cryptocurrency market in the COVID-19 pandemic context, using two entropy-based measures: mutual information and transfer entropy. Both methodologies reveal that cryptocurrencies exhibit mixed levels of integration before and after the onset of the pandemic. Cryptocurrencies displaying higher integration before the event experienced a decline in such link after the world became aware of the first cases of pneumonia in Wuhan city. In what concerns contagion, mutual information provided evidence of its presence solely for the Huobi Token, and the transfer entropy analysis pointed out Tether and Huobi Token as its main source. As both analyses indicate no contagion from the pandemic turmoil to these financial assets, cryptocurrencies may be good investment options in case of real global shocks, such as the one provoked by the COVID-19 outbreak.https://www.mdpi.com/1099-4300/25/1/98contagioncryptocurrenciesintegrationmutual informationtransfer entropy
spellingShingle Dora Almeida
Andreia Dionísio
Isabel Vieira
Paulo Ferreira
COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches
Entropy
contagion
cryptocurrencies
integration
mutual information
transfer entropy
title COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches
title_full COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches
title_fullStr COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches
title_full_unstemmed COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches
title_short COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches
title_sort covid 19 effects on the relationship between cryptocurrencies can it be contagion insights from econophysics approaches
topic contagion
cryptocurrencies
integration
mutual information
transfer entropy
url https://www.mdpi.com/1099-4300/25/1/98
work_keys_str_mv AT doraalmeida covid19effectsontherelationshipbetweencryptocurrenciescanitbecontagioninsightsfromeconophysicsapproaches
AT andreiadionisio covid19effectsontherelationshipbetweencryptocurrenciescanitbecontagioninsightsfromeconophysicsapproaches
AT isabelvieira covid19effectsontherelationshipbetweencryptocurrenciescanitbecontagioninsightsfromeconophysicsapproaches
AT pauloferreira covid19effectsontherelationshipbetweencryptocurrenciescanitbecontagioninsightsfromeconophysicsapproaches