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- W3204683206 abstract "This paper models stochastic volatility using Hidden Markov Models in Kenya. The univariate Stochastic volatility Model is calibrated to the Nairobi Securities Exchange 20 share index daily data from January 2012 to February 2021. The Hidden Markov model (HMM) is employed to establish volatility regimes while the Expected Maximization (EM) algorithm is applied in parameter estimation. Markov Chain Monte Carlo (MCMC) and Sequential Monte Carlo (SMC) techniques are employed in filtering out noisy observations in parameter estimation. The 4-state model, which divides the economy into periods of very high, high, low, and very low volatility, is established to be optimal." @default.
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- W3204683206 date "2021-01-01" @default.
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- W3204683206 title "Modelling Stochastic Volatility in the Kenyan Securities Market Using Hidden Markov Models" @default.
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- W3204683206 doi "https://doi.org/10.4236/jfrm.2021.103021" @default.
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