Half-Life Volatility Measure of the Returns of Some Cryptocurrencies

  • John A
  • Logubayom A
  • Nero R
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Abstract

This paper explores the half-life volatility measure of three cryptocurrencies (Bitcoin, Litecoin and Ripple). Two GARCH family models were used (PGARCH (1, 1) and GARCH (1, 1)) with the student-t distribution. It was realised that, the PGARCH (1, 1) was the most appropriate model. Therefore, it was used in determining the half-life of the three returns series. The results revealed that, the half-life was 3 days, 6 days and 4 days for Bitcoin, Litecoin and Ripple respectively. This shows that, the three coins have strong mean reversion and short half-life and that it takes the respective days for volatility in each of coin to return half way back without further volatility.

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APA

John, A., Logubayom, A. I., & Nero, R. (2019). Half-Life Volatility Measure of the Returns of Some Cryptocurrencies. Journal of Financial Risk Management, 08(01), 15–28. https://doi.org/10.4236/jfrm.2019.81002

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