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Through the application of the VAR-AGARCH model to intra-day data for three cryp-tocurrencies (Bitcoin, Ethereum, and … Litecoin), this study examines the return and volatility spillover between these cryptocurrencies during the pre-COVID-19 … cryptocurrencies are observed to be higher during the COVID-19 period compared to the pre-COVID-19 period. Based on optimal weights …
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cryptocurrencies before and during the COVID-19 pandemic in both the time and frequency domains. We combine the realized moment … other cryptocurrencies is stronger than that of the realized skewness, realized kurtosis, and signed jump variation. The … comovements among cryptocurrencies are both time-dependent and frequency-dependent. Besides the volatility spillovers, the risk …
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