Análise Comparativa entre os Métodos Fuzzy-QFD e Fuzzy-TOPSIS na Avaliação de Ações do Setor Petrolífero da Bolsa de Valores do Brasil B3 S.A

Comparative Analysis between the Fuzzy-QFD and Fuzzy-TOPSIS Methods in the Valuation of Stocks in the Oil Sector of the Brazilian Stock Exchange B3

Jorge Lucas Martins da Silva, Rodrigo Alves SIlva, Francisco Rodrigues Lima Junior

Resumo


A teoria de portfólio propõe a otimização da alocação de ativos para maximizar retornos ou minimizar riscos, com base na abordagem de variância média. Baseado nessa proposição este estudo tem como objetivo comparar os métodos Fuzzy-QFD e Fuzzy-TOPSIS na seleção de ações no setor petrolífero da Bolsa de valores do Brasil, especificamente no segmento de exploração, refino e distribuição. A pesquisa investigou indicadores financeiros como ROE, margem de lucro líquido e EV/EBITDA, colheu relatórios de empresas do setor, e submeteu a julgamento de 2 decisores. Os resultados demonstraram consistência nas primeiras posições do ranking, com ambos os métodos destacando as ações A4, A1 e A6 como as mais promissoras, enquanto A8 e A10 foram propostas como menos promissoras. As diferenças observadas nas classificações refletem as abordagens distintas dos métodos, corroborando com a importância de múltiplas perspectivas na análise. Conclui-se que os métodos Fuzzy-QFD e Fuzzy-TOPSIS são eficientes para decisões multicritério no setor financeiro, sendo capazes de integrar aspectos qualitativos e quantitativos. Contudo, a diversidade de resultados sugere que sua aplicação deve considerar o contexto e os objetivos específicos da análise. Este estudo é de caráter acadêmico e não constitui recomendação de investimento. Pesquisas futuras podem explorar outros métodos multicritério e sua aplicação em diferentes setores para ampliar o entendimento sobre a eficácia dessas abordagens

Palavras-chave


Teoria de portfólio, Fuzzy-QFD, Fuzzy-TOPSIS, setor petrolífero, análise multicritério

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Direitos autorais 2025 Jorge Lucas Martins da Silva, Rodrigo Alves SIlva, Francisco Rodrigues Lima Junior

Revista Capital Científico – Eletrônica (RCCe) Rua: Padre Salvador, 875 – Bairro Santa Cruz CEP: 85015-430  Guarapuava-Paraná-Brasil Campus Santa Cruz – Editora UNICENTRO ISSN  2177-4153 (Online)

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