Interdependence, contagion and speculative bubbles in cryptocurrency markets

Walter Bazán-Palomino

Research output: Contribution to journalArticle in a journalpeer-review

11 Scopus citations

Abstract

After detecting several bubbles during 2015–2022, this study investigates the impact of the two biggest bubbles – those of 2017 and 2021 – on interdependence and contagion among cryptocurrencies. Interdependence declines during these bubbles relative to the post-bubble periods, and there is strong evidence of contagion over the whole sample and in the post-2021 bubble period. To illustrate their impact, optimal weights, volatility, and expected shortfall of a global minimum variance portfolio are examined. While volatility is higher during bubbles, the expected shortfall is stronger in the post-bubble periods. My results provide useful information for risk management and derivative pricing.

Original languageEnglish
Article number103132
JournalFinance Research Letters
Volume49
DOIs
StatePublished - Oct 2022

Bibliographical note

Publisher Copyright:
© 2022 Elsevier Inc.

Keywords

  • Bubbles
  • Contagion
  • Global minimum variance portfolio
  • Interdependence

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