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dc.contributor.authorHoffman, A.J.
dc.date.accessioned2017-02-02T12:16:14Z
dc.date.available2017-02-02T12:16:14Z
dc.date.issued2010
dc.identifier.citationHoffman, A.J. 2010. Evaluating predictors of abnormal stock returns multivariate models. Proceedings of the 5th IASTED International Conference on Computational Intelligence, CI 2010: 29-35. [http://www.actapress.com/Content_Of_Proceeding.aspx?ProceedingID=653]en_US
dc.identifier.urihttp://hdl.handle.net/10394/19958
dc.identifier.urihttp://dx.doi.org/10.2316/P.2010.711-048
dc.identifier.urihttp://www.actapress.com/Abstract.aspx?paperId=42995
dc.description.abstractIn recent years much research effort has been spent on the development of statistical and neural network techniques to predict abnormal stock returns. Much previous work focused on time series prediction of stock returns, comparing conventional techniques (ARMA or ARMAX) with the capabilities of neural or other artificial intelligence techniques. This paper models cross-sectional difference between all stocks, using a combination of fundamental and technical parameters found to be indicative of expected future returns. The most common basis for comparing different models is a combination of an error measure (e.g. MSE between the actual and predicted future returns), and the correlation coefficient between actual and predicted returns. This paper uses a different measure to assess the usefulness of the cross-sectional model, based on the returns of categories of stocks sorted according to the value of the predicted return. This measure is shown to be superior to the more conventional measures, as the models producing best returns over a period of comparison are not always the models displaying the largest correlations with actual returns. It is furthermore shown that the best models incorporating a number of fundamental and technical parameters perform better than any of the individual predictors, both in terms of average returns as well as in terms of consistency over different market conditionsen_US
dc.language.isoenen_US
dc.publisherACTA Pressen_US
dc.subjectNeural modellingen_US
dc.subjectStock return predictionen_US
dc.subjectFundamental indicatorsen_US
dc.subjectTechnical indicatorsen_US
dc.titleEvaluating predictors of abnormal stock returns multivariate modelsen_US
dc.typePresentationen_US
dc.contributor.researchID10196978 - Hoffman, Alwyn Jakobus


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