“…Methods of approximating and modeling stock indices using a Wiener random process serve as the basis for intelligent data analysis using machine learning. The main goal of this analysis is to predict the price of the test data depending on real quotes over time, taking into account the errors of real prediction [6,7], [8,9], [10,11], [12,13], [14,15], [16,17], [18,19], [20].…”