What is Modern Portfolio Theory (MPT)

This research attempts to classify, predict, and manage the financial time-series trends of the large stock prices of significant companies in the development of e-commerce and e-business in the ASEAN countries. Moreover, the Markowitz portfolio optimization analysis based on quantum mechanics was utilized to find out the direction of e-commerce and e-business in the future. Data collection for this study consists of Maybank, PPB Group Berhad, Golden Agri-Resource, SingTel, and Global Logistic Properties. And the stock prices of those companies were carried out to this study from 2004 to 2018 by daily data. Interestingly, the empirical results would provide a possible solution and efficiently suggest a beneficial for the development of both e-commerce and e-business in the ASEAN countries. The commerce and business based on electronics in ASEAN, especially agribusiness, energy business, and telecommunication business, still play a major important role in the economy of ASEAN countries.