Value at risk forecasting for volatility index

Seul Ki Park, Ji Eun Choi, Dong Wan Shin

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Forecasts of values at risk (VaRs) are made for volatility indices such as the VIX for the US S&P 500 index, the VKOSPI for the KOSPI (Korea Stock Price Index) and the OVX (oil volatility index) for crude oil funds, which is the first in the literature. In the forecasts, dominant features of the volatility indices are addressed: long memory, conditional heteroscedasticity, asymmetry and fat-tails. An out-of-sample comparison of the VaR forecasts is made in terms of violation probabilities, showing better performance of the proposed method than several competing methods which consider the features differently from ours. The proposed method is composed of heterogeneous autoregressive model for the mean, GARCH model for the volatility and skew-t distribution for the error.

Original languageEnglish
Pages (from-to)1613-1620
Number of pages8
JournalApplied Economics Letters
Volume24
Issue number21
DOIs
StatePublished - 15 Dec 2017

Keywords

  • Conditional heteroscedasticity
  • HAR model
  • long-memory
  • skew-t distribution
  • VaR
  • volatility index

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