The Volatility of the CSX Index: GARCH (1,1) Model
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loginABSTRACT
This study was conducted to predict the conditional variance as well as the volatility of the return of the CSX Index by employing the GARCH (1,1) model with daily data from 19 April 2012 to 12 June 2017. The estimated result of the GARCH (1,1) model which was derived by the maximum likelihood estimation method had revealed that the conditional variance was highly explained by the lagged of square residual as well as the lagged of forecast variance and no ARCH effect was found in this study. The explosive process did not exist, but a mean reverting variance process was detected since the persistence, πΌπΌ + π½π½ < 1. The long-run daily volatility was estimated to be 1.349403% per day or 21.42% per year.
Keywords: CSX Index, GARCH(1,1), Conditional Variance, Volatility