Aspectos da tomada de decisão pelo Trader no mercado financeiro conforme a Contemporânea Teoria de Finanças
DOI:
https://doi.org/10.23925/2178-0080.2022v24i3.56318Palavras-chave:
Finanças Comportamentais, Traders, Teoria das Finanças, Eficiência de Mercado, Tomada de DecisãoResumo
A Moderna Teoria das Finanças apregoa que em um mercado eficiente os ajustes de preços relativos são realizados instantaneamente a cada nova informação gerada pelo ambiente. Não havendo possibilidade de algum player se antecipar aos demais. Portanto, a variável tempo não é considerada nesse modelo. Na prática os profissionais que percebem apenas segundos antecipadamente uma mudança de cenário, ou seja, um novo padrão de ocorrência que está se estabelecendo no mercado, podem se posicionar de forma a obter uma performance superior, além do homus economicus. No mercado financeiro, objeto do presente estudo, os profissionais estão expostos a um alto grau de estresse em função da necessidade de tomar decisões extemporâneas. De forma geral, eles têm que identificar rapidamente um padrão de ocorrência do evento em que se encontra inserida a sua decisão. A velocidade de raciocínio e de tomada de decisão são os seus maiores trunfos. Apresentaremos neste estudo que esses profissionais acabam tendo como característica uma melhor qualidade decisória sob estresse, mesmo fora da sua área de atuação. Procura-se demonstrar que tanto marcadores somáticos quanto as heurísticas e vieses de comportamento apresentados na teoria das finanças comportamentais estão presentes de forma substantiva na tomada de decisão influenciando-as.
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