Is the disposition effect weaker under public news?

Detalhes bibliográficos
Ano de defesa: 2023
Autor(a) principal: Taverna, Matteo
Orientador(a): Giovannetti, Bruno Cara, Chague, Fernando Daniel
Banca de defesa: Não Informado pela instituição
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: eng
Instituição de defesa: Não Informado pela instituição
Programa de Pós-Graduação: Não Informado pela instituição
Departamento: Não Informado pela instituição
País: Não Informado pela instituição
Palavras-chave em Português:
Palavras-chave em Inglês:
CVM
Link de acesso: https://hdl.handle.net/10438/34392
Resumo: How do external news events influence established behavioral biases in stock trading? Our research, set in Brazil’s bustling stock market, seeks to answer this by examining the interplay between the disposition effect and relevant news issued by the Securities and Exchange Commission of Brazil (CVM). Analyzing over 7,2 million brazilian retail investor’s trades between January 2012 and December 2018 of the 10 most traded stocks on B3 (the brazilian stock exchange), we first estimate a positive and significant disposition effect following the method proposed by Odean (1998). Our novel approach is to connect the arrival of relevant facts issued by the CVM with the disposition effect through a logistic regression specification. The results suggests that the arrival of relevant facts tempers the disposition effect’s intensity, and this effect persists for one more trading period. This study sheds light on the intricate dance between investor behavior and external stimuli, offering fresh perspectives on the role of information in financial decision-making.
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spelling Taverna, MatteoEscolas::EESPBueno, Rodrigo de Losso da SilveiraGiovannetti, Bruno CaraChague, Fernando Daniel2023-10-23T12:02:06Z2023-10-23T12:02:06Z2023-10-03https://hdl.handle.net/10438/34392How do external news events influence established behavioral biases in stock trading? Our research, set in Brazil’s bustling stock market, seeks to answer this by examining the interplay between the disposition effect and relevant news issued by the Securities and Exchange Commission of Brazil (CVM). Analyzing over 7,2 million brazilian retail investor’s trades between January 2012 and December 2018 of the 10 most traded stocks on B3 (the brazilian stock exchange), we first estimate a positive and significant disposition effect following the method proposed by Odean (1998). Our novel approach is to connect the arrival of relevant facts issued by the CVM with the disposition effect through a logistic regression specification. The results suggests that the arrival of relevant facts tempers the disposition effect’s intensity, and this effect persists for one more trading period. This study sheds light on the intricate dance between investor behavior and external stimuli, offering fresh perspectives on the role of information in financial decision-making.Como eventos de notícias externas influenciam vieses comportamentais estabelecidos na negociação de ações? Nossa pesquisa, ambientada no agitado mercado de ações do Brasil, busca responder a isso examinando a interação entre o efeito disposição e notícias relevantes emitidas pela Comissão de Valores Mobiliários do Brasil (CVM). Ao analisar mais de 7,2 milhões de negociações de investidores do varejo brasileiro entre janeiro de 2012 e dezembro de 2018 das 10 ações mais negociadas na B3 (a bolsa de valores brasileira), primeiro estimamos um efeito disposição positivo e significativo seguindo o método proposto por Odean (1998). Nossa abordagem inovadora é conectar a chegada de fatos relevantes emitidos pela CVM com o efeito disposição por meio de uma especificação de regressão logística. Os resultados sugerem que a chegada de fatos relevantes atenua a intensidade do efeito disposição, e esse efeito persiste por mais um período de negociação. Este estudo lança luz sobre a complexa interação entre o comportamento do investidor e estímulos externos, oferecendo novas perspectivas sobre o papel da informação na tomada de decisões financeiras.engDisposition effectRelevant newsCVMRetail investorsEfeito disposiçãoFatos relevantesInvestidores de varejoEconomiaFinanças - Aspectos psicológicosInvestidores (Finanças) - CondutaProcesso decisórioComissão de Valores Mobiliários (Brasil)Ações (Finanças)Is the disposition effect weaker under public news?info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional do FGV (FGV Repositório Digital)instname:Fundação Getulio Vargas (FGV)instacron:FGVORIGINALDissertation_VF_com_ficha.pdfDissertation_VF_com_ficha.pdfPDFapplication/pdf515111https://repositorio.fgv.br/bitstreams/642f2b68-23b7-4526-9e46-573c84834713/download949e1365b91abbe227206a05ae67036fMD53trueAnonymousREADLICENSElicense.txtlicense.txttext/plain; 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dc.title.eng.fl_str_mv Is the disposition effect weaker under public news?
title Is the disposition effect weaker under public news?
spellingShingle Is the disposition effect weaker under public news?
Taverna, Matteo
Disposition effect
Relevant news
CVM
Retail investors
Efeito disposição
Fatos relevantes
Investidores de varejo
Economia
Finanças - Aspectos psicológicos
Investidores (Finanças) - Conduta
Processo decisório
Comissão de Valores Mobiliários (Brasil)
Ações (Finanças)
title_short Is the disposition effect weaker under public news?
title_full Is the disposition effect weaker under public news?
title_fullStr Is the disposition effect weaker under public news?
title_full_unstemmed Is the disposition effect weaker under public news?
title_sort Is the disposition effect weaker under public news?
author Taverna, Matteo
author_facet Taverna, Matteo
author_role author
dc.contributor.unidadefgv.por.fl_str_mv Escolas::EESP
dc.contributor.member.none.fl_str_mv Bueno, Rodrigo de Losso da Silveira
dc.contributor.author.fl_str_mv Taverna, Matteo
dc.contributor.advisor1.fl_str_mv Giovannetti, Bruno Cara
Chague, Fernando Daniel
contributor_str_mv Giovannetti, Bruno Cara
Chague, Fernando Daniel
dc.subject.eng.fl_str_mv Disposition effect
Relevant news
CVM
Retail investors
topic Disposition effect
Relevant news
CVM
Retail investors
Efeito disposição
Fatos relevantes
Investidores de varejo
Economia
Finanças - Aspectos psicológicos
Investidores (Finanças) - Conduta
Processo decisório
Comissão de Valores Mobiliários (Brasil)
Ações (Finanças)
dc.subject.por.fl_str_mv Efeito disposição
Fatos relevantes
Investidores de varejo
dc.subject.area.por.fl_str_mv Economia
dc.subject.bibliodata.por.fl_str_mv Finanças - Aspectos psicológicos
Investidores (Finanças) - Conduta
Processo decisório
Comissão de Valores Mobiliários (Brasil)
Ações (Finanças)
description How do external news events influence established behavioral biases in stock trading? Our research, set in Brazil’s bustling stock market, seeks to answer this by examining the interplay between the disposition effect and relevant news issued by the Securities and Exchange Commission of Brazil (CVM). Analyzing over 7,2 million brazilian retail investor’s trades between January 2012 and December 2018 of the 10 most traded stocks on B3 (the brazilian stock exchange), we first estimate a positive and significant disposition effect following the method proposed by Odean (1998). Our novel approach is to connect the arrival of relevant facts issued by the CVM with the disposition effect through a logistic regression specification. The results suggests that the arrival of relevant facts tempers the disposition effect’s intensity, and this effect persists for one more trading period. This study sheds light on the intricate dance between investor behavior and external stimuli, offering fresh perspectives on the role of information in financial decision-making.
publishDate 2023
dc.date.accessioned.fl_str_mv 2023-10-23T12:02:06Z
dc.date.available.fl_str_mv 2023-10-23T12:02:06Z
dc.date.issued.fl_str_mv 2023-10-03
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
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url https://hdl.handle.net/10438/34392
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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