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Empirical evidence of extreme dependence and contagion risk between main cryptocurrencies

机译:主要依赖性和主要加密货币之间的持极依赖性和传染风险的经验证据

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This study examines the dependence and contagion risk between Bitcoin (BTC), Litecoin (LTC) and Ripple (XRP) using non-parametric mixture copulas (developed by Zimmer, 2012) and recently proposed methods of full-range tail dependence copulas (advanced by Hua, 2017; Su and Hua, 2017), for the period from 04-08-2013 to 17-06-2018. The Chi-plots and Kendall plots results show heavy tail dependence between each pairs of the cryptocurrencies. Evidence from the mixture copula indicates that for the BTC-LTC pair the upper-tail dependence is both stronger and more prevalent, while for the other pairs of cryptocurrencies the lower-tail dependence is very strong and more prevalent. However, the results of the full-range tail dependence copulas reveal a strong and prevalent upper and lower-tail dependence of each pairs of cryptocurrencies. These results provide evidence of significant risk contagion among price returns of major cryptocurrencies, both in bull and bear markets.
机译:本研究检查比特素(BTC),LiteCoin(LTC)和纹波(XRP)之间的依赖性和传染风险使用非参数混合物Copulas(由Zimmer,2012年开发)和最近提出的全范围尾依赖金融的方法(先进华,2017年;苏和华,2017年),从04-08-2013到17-06-2018的时期。 Chi-plots和Kendall绘图结果结果显示了每对加密货币之间的重尾依赖性。来自混合物谱系的证据表明,对于BTC-LTC对,尾部依赖性都越强,更普遍,而对于其他对加密货币对尾依赖性非常强大,更为普遍。然而,全范围尾依赖性共计的结果揭示了每对加密货币的强烈和普遍的上下尾依赖性。这些结果提供了牛市和熊市主要加密货币价格回报的显着风险蔓延的证据。

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