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      The risks of trading on cryptocurrencies: A regime-switching approach based on volatility jumps and co-jumping behaviours

      Li, Leon
      DOI
       10.1080/00036846.2023.2170970
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      Permanent link to Research Commons version
      https://hdl.handle.net/10289/15597
      Abstract
      Previous research has shown volatility jumps and co-jumping behaviours in cryptocurrency markets. Motivated by these findings, we employ the herding effect and financial contagion channel to outline a theoretical framework of volatility-state-dependent correlations in cryptocurrency markets. We show that digital currency markets are more strongly correlated when experiencing an identical volatility regime, which echoes co-jumping behaviours addressed by the literature. Moreover, the strong correlation that occurs when the paired cryptocurrencies simultaneously experience a high volatility regime results in the least effectiveness of diversification in terms of a minimum portfolio risk reduction. Last but not least, the proposed state-dependent approach in this study proves effective at the task of risk forecasting and risk reduction for cryptocurrency portfolios, beyond the bivariate GARCH-based models, which are a pure and simple time-dependent approach.
      Date
      2023
      Type
      Journal Article
      Publisher
      Informa UK Limited
      Rights
      © 2023 The Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License.
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      • Management Papers [1136]
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