The Realized Hierarchical Archimedean Copula in Risk Modelling
AbstractThis paper introduces the concept of the realized hierarchical Archimedean copula (rHAC). The proposed approach inherits the ability of the copula to capture the dependencies among financial time series, and combines it with additional information contained in high-frequency data. The considered model does not suffer from the curse of dimensionality, and is able to accurately predict high-dimensional distributions. This flexibility is obtained by using a hierarchical structure in the copula. The time variability of the model is provided by daily forecasts of the realized correlation matrix, which is used to estimate the structure and the parameters of the rHAC. Extensive simulation studies show the validity of the estimator based on this realized correlation matrix, and its performance, in comparison to the benchmark models. The application of the estimator to one-day-ahead Value at Risk (VaR) prediction using high-frequency data exhibits good forecasting properties for a multivariate portfolio. View Full-Text
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Okhrin, O.; Tetereva, A. The Realized Hierarchical Archimedean Copula in Risk Modelling. Econometrics 2017, 5, 26.
Okhrin O, Tetereva A. The Realized Hierarchical Archimedean Copula in Risk Modelling. Econometrics. 2017; 5(2):26.Chicago/Turabian Style
Okhrin, Ostap; Tetereva, Anastasija. 2017. "The Realized Hierarchical Archimedean Copula in Risk Modelling." Econometrics 5, no. 2: 26.
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