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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Previsão de séries temporais no mercado financeiro de ações com o uso de rede neural artificial

Carvalho, Valter Pereira de 03 August 2018 (has links)
Submitted by Marta Toyoda (1144061@mackenzie.br) on 2018-10-29T17:09:12Z No. of bitstreams: 2 VALTER PEREIRA DE CARVALHO.pdf: 1797453 bytes, checksum: 0371ebaa50b7784190cf403272d8e502 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Paola Damato (repositorio@mackenzie.br) on 2018-10-31T14:51:00Z (GMT) No. of bitstreams: 2 VALTER PEREIRA DE CARVALHO.pdf: 1797453 bytes, checksum: 0371ebaa50b7784190cf403272d8e502 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2018-10-31T14:51:00Z (GMT). No. of bitstreams: 2 VALTER PEREIRA DE CARVALHO.pdf: 1797453 bytes, checksum: 0371ebaa50b7784190cf403272d8e502 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-08-03 / This work proposes a study of the forecast of time series with the use of data obtained from BOVESPA the basis of the values of the shares at the closing of the trading session. For the forecast, an arti_cial neural network (RNA) with MLP (MultiLayer Perceptron) architecture will be used. It will be shown through this prediction study of the financial market how the neural network behaves and how it can be of great value for forecasts with time series data. The analysis comprises the comparison between the forecast and the efective closing price within established periods. The paper compares the MLP network with the Random Walk Hypothesis. At the end of the study it is concluded that the artificial neural network used for stock market forecasting is able to show results very close to reality, and that this methodology can be used by individual and collective investors to understand the behavior of the actions and to orient themselves on the possible investment hypotheses. / Este trabalho propõe um estudo de previsão de séries temporais com o uso dos dados obtidos da BOVESPA (Bolsa de Valores de São Paulo) tomando-se por base os valores das ações no fechamento do pregão. Para a previsão será utilizada uma rede neural artificial (RNA) com arquitetura MLP (MultiLayer Perceptron). Será mostrado através desse estudo de previsão do mercado financeiro como a rede neural se comporta e como ela pode ser de grande valia para previsões com séries de dados temporais. A análise compreende a comparação entre a previsão e o preço de fechamento efetivo dentro de períodos estabelecidos. O trabalho faz um comparativo entre a rede MLP e a Hipótese de Random Walk. Ao final do trabalho conclui-se que a rede neural artificial utilizada para previsão de mercado acionário é capaz de mostrar resultados muito próximos da realidade, e que essa metodologia pode ser utilizada por investidores individuais e coletivos para compreenderem o comportamento das ações e se orientarem sobre as possíveis hipóteses de investimentos.

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