Stock Price Forecasting of IBEX35 Companies in the Petroleum, Electricity, and Gas Industries

In recent years, time series forecasting has become an essential tool for stock market analysts to make informed decisions regarding prices. The present research makes use of various exponential smoothing methods. These include with multiplicative errors and additive trend (MAN), (MNN), simple (ANN) the prices six different companies in petroleum, electricity, gas industries that are listed IBEX35 index. database employed this contained index values closing from 3 January 2000 30 December 2022. models trained data were order forecast value stocks under study 2 2023 24 March 2023. results obtained confirmed although none proposed outperformed rest all companies, it is possible calculate able predict a 95% confidence interval about real where will be following three months.