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Dependency Structures in Cryptocurrency Market from High to Low Frequency

Briola, Antonio; Aste, Tomaso; (2022) Dependency Structures in Cryptocurrency Market from High to Low Frequency. Entropy , 24 (11) , Article 1548. 10.3390/e24111548. Green open access

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Abstract

We investigate logarithmic price returns cross-correlations at different time horizons for a set of 25 liquid cryptocurrencies traded on the FTX digital currency exchange. We study how the structure of the Minimum Spanning Tree (MST) and the Triangulated Maximally Filtered Graph (TMFG) evolve from high (15 s) to low (1 day) frequency time resolutions. For each horizon, we test the stability, statistical significance and economic meaningfulness of the networks. Results give a deep insight into the evolutionary process of the time dependent hierarchical organization of the system under analysis. A decrease in correlation between pairs of cryptocurrencies is observed for finer time sampling resolutions. A growing structure emerges for coarser ones, highlighting multiple changes in the hierarchical reference role played by mainstream cryptocurrencies. This effect is studied both in its pairwise realizations and intra-sector ones.

Type: Article
Title: Dependency Structures in Cryptocurrency Market from High to Low Frequency
Open access status: An open access version is available from UCL Discovery
DOI: 10.3390/e24111548
Publisher version: https://doi.org/10.3390/e24111548
Language: English
Additional information: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: complex systems; network science; econophysics; economics; financial markets; cryptocurrencies
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10158658
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