标题：Optimization of the Fuzzy Investment Portfolio during the Time Period/ Investīciju portfeļa optimizācija laika periodā/ Оптимизация инвестиционного портфеля в течение периода времени
期刊名称：Information Technology and Management Science
印刷版ISSN：2255-9086
电子版ISSN：2255-9094
出版年度：2014
卷号：17
期号：1
页码：66-73
DOI：10.1515/itms-2014-0010
语种：English
出版社：Walter de Gruyter GmbH
摘要：The problem of portfolio optimization under uncertainty is considered. For its solution the application of fuzzy sets theory is suggested. Fuzzy portfolio optimization problem during the time period is stated, its model is provided, investigated, and algorithm of its solution presented. This problem includes two main criteria - portfolio profitableness and risk. A mathematical model of this problem is constructed and explored. For better estimation of stock profitableness, Fuzzy Group Method of Data Handling (FGMDH) is suggested. The experimental investigations of the suggested approach are carried out. The results with optimal portfolios based on forecasted profitableness are presented and its efficiency is evaluated.
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