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by proposing an exponential weighted moving average model that jointly estimates volatility, skewness and kurtosis over …
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structure. This is motivated by the problem of finding a possible probabilistic model for the realized volatility. A Gamma … random error is proposed to cater for the non-negativity of the realized volatility. With many good properties, such as … on empirical realized volatility data of 30 stocks, where one third of the cases are fitted quite well, suggesting that …
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Risk neutral densities (RND) can be used to forecast the price of the underlying basis for the option, or it may be used to price other derivates based on the same sequence. The method adopted in this paper to calculate the RND is to firts estimate daily the diffusion process of the underlying...
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