Abstract

The Stock is defined as an investor ownership, sign of their investment, or the amount of fund invested in a company. In the transaction process of stock exchange, stock is the most traded instrument. Thus, the forecasting of stock price is very important to develop an effective market trading strategy. The forecasting of stock prices can anticipate investment losses and provide optimal benefits for investors. In this paper, Microsoft stock prices will be predicted by the geometric Brownian motion and multilayer perceptron methods. Prediction of stock prices using geometric Brownian motion was begun by calculating the return value of the data. Then, the normality test of the return value is carried out. The value of return must be normally distributed. Then, we did calculations to get the value of drift and volatility. The parameters of geometric Brownian motion are assumed constant. The parameter values will be used as input in prediction process with MATLAB. In the multilayer perceptron method prediction, the data divided into two parts, 70 % for training data and 30 % for validation data. Then, the data must be normalized first. In the prediction process using multilayer perceptron, we will initialize the weight, correct the weight values, correct bias and calculate error value. As the result, the MAPE value from multilayer perceptron method predictions was 0.05266. This value obtained when the number of neurons are 2 in the input and the number of neurons are 3 in the hidden layer. Meanwhile, the MAPE value produced by geometric Brownian motion method were 0.0221 when 10 trajectories and 0.019571689 when 10000 trajectories. Then, the result of geometric Brownian motion method is better than multilayer perceptron method.

Original languageEnglish
Title of host publicationProceedings of the 5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019
EditorsTerry Mart, Djoko Triyono, Tribidasari Anggraningrum Ivandini
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735420014
DOIs
Publication statusPublished - 1 Jun 2020
Event5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019 - Depok, Indonesia
Duration: 9 Jul 201910 Jul 2019

Publication series

NameAIP Conference Proceedings
Volume2242
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019
Country/TerritoryIndonesia
CityDepok
Period9/07/1910/07/19

Keywords

  • Geometric Brownian Motion
  • Multilayer Perceptron
  • Stock

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