Risk quantification and validation for Bitcoin

[EN] This paper introduces a semi-nonparametric approach for modeling Bitcoin risk relatively to other parametric distributions and volatility models. Model performance is assessed through different backtesting techniques, including multinomial test, for three risk measures: Value-at-Risk, Expected...

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Detalhes bibliográficos
Autores: Jiménez Jiménez, María Inés, Mora Valencia, Andrés, Perote Peña, Javier
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:2020
País:España
Recursos:Universidad de Salamanca (USAL)
Repositório:GREDOS. Repositorio Institucional de la Universidad de Salamanca
OAI Identifier:oai:gredos.usal.es:10366/161229
Acesso em linha:http://hdl.handle.net/10366/161229
Access Level:Acesso embargado
Palavra-chave:Cryptocurrencies
Gram-Charlier
Median shortfall
Bacltesting
GAS models
Robust GARCH
5308 Economía General
Descrição
Resumo:[EN] This paper introduces a semi-nonparametric approach for modeling Bitcoin risk relatively to other parametric distributions and volatility models. Model performance is assessed through different backtesting techniques, including multinomial test, for three risk measures: Value-at-Risk, Expected Shortfall and Median Shortfall. Our results show that the ‘large’ semi-nonparametric expansion is a good alternative to measure Bitcoin risk according to recommendations of Basel Committee on Banking Supervision, but also that 99%-Median Shortfall seems to be an accurate and robust risk measure for Bitcoin.