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Event-Driven Changes in Return Connectedness Among Cryptocurrencies

Author

Listed:
  • Peter Albrecht
  • Evžen Kočenda
  • Evžen Kocenda

Abstract

Our study presents an in-depth analysis of the interconnectedness in returns among five major cryptocurrencies from 2018 to 2023. Our work introduces novel findings by employing a novel bootstrap-after-bootstrap method of Greenwood-Nimmo et al. (2024) to establish a link between increases in connectedness and various systematic events. We found a clear rise in connectedness within a month following the event for ten endogenously selected events. Further, we identify Bitcoin and Ethereum as net return transmitters, mainly to Binance coin and Ripple. Moreover, we found that these transmissions increased by up to 20% for up to one month after the shocks occurred. We calculate optimal portfolio weights and hedging ratios for cryptocurrency risk management. Our findings reveal that Cardano and Ripple are the most effective choices in portfolio optimization. The implications of this study are significant for devising strategies in portfolio management and risk hedging, offering valuable guidance for policy formulation in the financial sector.

Suggested Citation

  • Peter Albrecht & Evžen Kočenda & Evžen Kocenda, 2025. "Event-Driven Changes in Return Connectedness Among Cryptocurrencies," CESifo Working Paper Series 11658, CESifo.
    • Handle: RePEc:ces:ceswps:_11658
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    More about this item

    Keywords

    return connectedness; cryptocurrencies; bootstrap-after-bootstrap procedure; portfolio composition and hedging;
    All these keywords.

    JEL classification:

    • H56 - Public Economics - - National Government Expenditures and Related Policies - - - National Security and War
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General

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