Journal
SOFT COMPUTING
Volume 23, Issue 16, Pages 6979-6994Publisher
SPRINGER
DOI: 10.1007/s00500-018-3335-2
Keywords
Fuzzy time series; Genetic algorithm; Fuzzy C-means; Back-propagation neural networks
Categories
Funding
- China National Nature Science Foundation [51375429, 51475410]
- Zhejiang Natural Science Foundation of China [LY13E050010]
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The fuzzy time series (FTS) model has been proposed for many years, and many researches have been conducted to improve or enhance the model. This study proposed a novel method for stock forecasting, which is based on FTS forecasting with genetic algorithm (GA)-fuzzy C-means (FCM) and multifactor back-propagation neural networks (BPNN). The GA algorithm is utilized to alleviate the FCM's issue of falling into local optimum in the process of partitioning the universe of discourse and fuzzifying the time series. The multifactor BPNN considers relatively more information to train the neural networks and then forecast new stock index fluctuations. Finally, the proposed method is compared with other previous research methods by using SSECI and TAIEX data to verify the proposed method's effectiveness and efficiency in forecasting financial time series.
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