Narges shafaei bajestani - Islamic Azad University , Branch of Gonabad Gonabad, Iran
Asef Zare - Islamic Azad University , Branch of Gonabad Gonabad, Iran line ۳: City, Country

In this paper, TAIEX is forecasted by use of optimized fuzzy time series. this study applies a backpropagation neural network because of nonlinear structures of TAIEX. The empirical results show that the proposed model outperforms conventional fuzzy time series models.

fuzzy sets , fuzzy time series , neural network;