On the dynamic relationship between transaction volume and returns: evidence from the cryptocurrency market

Yosra Ghabri and Marjène Rabah Gana

Journal of Economic and Administrative Sciences, 2023, vol. 41, issue 2, 780-790

Abstract: Purpose - Using vector autoregressive modelling (VAR) and Granger causality tests, this paper attempts to empirically investigate the dynamic relationship between return and volume of transactions of two main cryptocurrencies: Bitcoin and Ethereum. Design/methodology/approach - Based on a generalized autoregressive conditional heteroskedasticity (GARCH) model with a transaction volume parameter in the conditional volatility equation. Findings - The results provide empirical evidence of a positive contemporaneous relationship between the variation in transaction volume and the daily return of Bitcoin and Ethereum. The results also show that the conditional volatility of the returns is affected by the past volatility, which implies weak-form inefficiency for both Bitcoin and Ethereum markets. The results of the VAR model, testing Granger causality, indicate that the volume of transactions Granger-Causes Bitcoin and Ethereum returns. Furthermore, the findings show a Granger causal relation from returns to volume. Originality/value - This result suggests that cryptocurrency returns can predict transaction volumes and vice versa.

Keywords: Cryptocurrency; Return; Transaction volume; Volatility clustering; Granger causality; G14; G15; G19 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jeaspp:jeas-04-2022-0095

DOI: 10.1108/JEAS-04-2022-0095

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