Carl H. Korkpoe
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A Markov regime switching approach to estimating the volatility of Johannesburg Stock Exchange (JSE) returns
Investment Management and Financial Innovations Volume 16, 2019 Issue #1 pp. 215-225
Views: 1987 Downloads: 380 TO CITE АНОТАЦІЯThe study used the Markov regime switching model to investigate the presence of regimes in the volatility dynamics of the returns of JSE All-Share Index (ALSI). Volatility regimes are as a result of sudden changes in the underlying economy generating the market returns. In all, twelve candidate models were fitted to the data. Estimates from the regime switching model were compared to the industry standard non-switching GARCH (1,1) using the Deviance Information Criteria (DIC). The results show that the two-regime switching EGARCH model with skewed Student t innovations describes better the return of the JSE Index. Additionally, we backtest the model results in order to confirm our findings that the two-regime switching EGARCH is the best of the models for the sample period.
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