April 2025
Intermediate to advanced
478 pages
11h 57m
Portuguese (Portugal, Brazil)
Content preview from Inteligência Artificial nas Finanças
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Capítulo 6. Finanças baseadas na IA
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Uma computação pega em informação e transforma-a, implementando aquilo a que os matemáticos chamam uma função.... Seestiveres na posse de uma função que introduza todos os dados financeiros do mundo e produza as melhores acções para comprar, em breve serás extremamente rico.
Max Tegmark (2017)
Este capítulo tem como objetivo combinar as finanças baseadas em dados com a abordagem de aprendizagem automática do capítulo anterior. Representa apenas o início deste esforço, na medida em que, pela primeira vez, são utilizadas redes neuronais para descobrir ineficiências estatísticas. "Mercados eficientes" discute a hipótese do mercado eficiente e usa a regressão OLS para ilustrá-la com base em dados financeiros de séries temporais. "Market Prediction Based on Returns Data" aplica pela primeira vez redes neuronais, juntamente com a regressão OLS, para prever a direção futura do preço de um instrumento financeiro ("direção do mercado"). A análise baseia-se apenas em dados de retornos. "Market Prediction with More Features" (Previsão do mercado com mais caraterísticas) acrescenta mais caraterísticas à mistura, tais como indicadores financeiros típicos. Neste contexto, os primeiros resultados indicam que as ineficiências estatísticas podem efetivamente estar presentes. Este facto é confirmado em "Market Prediction Intraday", que trabalha ...
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