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Artigo científico

IS THE RISK OF THE OPENING PRICE GAP PRICED?

Araújo, Gustavo Silva; BARBEDO, Claudio Henrique; Costa, Hugo Araújo; Baruque, Aziz

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Resumo

This study investigates whether the risk associated with the opening price gap rate, defined as the difference between a stock’s closing price and its subsequent opening price, is priced in the Brazilian equity market. Recognizing that investors are directly affected by the volatility of these gaps, we simulate long–short strategies using stocks sorted by overnight volatility. Empirical results demonstrate that such strategies consistently yield positive abnormal returns across all conventional asset pricing models. These findings suggest that gap risk is not incorporated into asset prices in the Brazilian market, highlighting an inefficiency that may be exploited by investors.

Ficha do documento

Tipo
Artigo científico
Ano
2026
Instituição
EGV EPGE
Idioma
Inglês
Acesso
Não informado
Identificador
oai:ojs.periodicos.fgv.br:article/94803
Abrangência
Brazilian equity market

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