Exogenous Drivers of Bitcoin and Cryptocurrency Volatility – A Mixed Data Sampling Approach to Forecasting

Thomas Walther, Tony Klein, Elie Bouri

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)
672 Downloads (Pure)

Abstract

We apply the GARCH-MIDAS framework to forecast the daily, weekly, and monthly volatility of five highly capitalized Cryptocurrencies (Bitcoin, Etherium, Litecoin, Ripple, and Stellar) as well as the Cryptocurrency index CRIX. Based on the prediction quality, we determine the most important exogenous drivers of volatility in Cryptocurrency markets. We find that the Global Real Economic Activity outperforms all other economic and financial drivers under investigation. We also show that the Global Real Economic Activity provides superior volatility predictions for both, bull and bear markets. In addition, the average forecast combination results in low loss functions. This indicates that the information content of exogenous factors is time-varying and the model averaging approach diversifies the impact of single drivers.
Original languageEnglish
JournalJournal of International Financial Markets, Institutions and Money
Early online date11 Sep 2019
DOIs
Publication statusEarly online date - 11 Sep 2019

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