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As we all know , return time series marked features: fat tail or negative skewness and peakedness. For a similar problem of variance computation, we can compute variance by garch model and other derivatives.In other words,Does we predict skewnenss like predicting variance by garch model and other derivatives ? does the existing model for skewness exist ? According to modern fiancial theory(investors like high return ,high skewness or positive skewness ,dislike variance ,kurtosis),we can deduce$\frac{ \partial {\text{variance}}}{\partial{\text{skewness}}}<0$ and$\frac{ \partial {\text{variance}}}{\partial{\text{kurtosis}}}>0$.and kurtosis ? Two seeming useful links:

  1. http://www.portfolioprobe.com/2012/01/16/a-slice-of-sp-500-skewness-history/
  2. http://blog.datapunks.com/2011/10/market-skewness/

Any comments are appreciated

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anybody here?any links or thougts can be post. –  Jacky Zhang May 26 at 7:34

1 Answer 1

up vote 0 down vote accepted

skewness and kurtosis can both be predicted by models similar to garch and its derivatives. For more details: a new published paper here

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