摘要:In this review, we used the Arbitrage Pricing Theory (APT), developed by Ross (1976), in order to understand the influences of historical series data set in a Brazilian best portfolio which was generated according to the approach of Markowitz (1952), and it is based on returns of shares of the two biggest companies of BM&F Bovespa, PETROBRAS and VALE, both in the preferred share, in order to structure the behavior of national or international investors who seek Brazil as a source of income among emerging countries