O INSPER E ESTE REPOSITÓRIO NÃO DETÊM OS DIREITOS DE USO E REPRODUÇÃO DOS CONTEÚDOS AQUI REGISTRADOS. É RESPONSABILIDADE DO USUÁRIO VERIFICAR OS USOS PERMITIDOS NA FONTE ORIGINAL, RESPEITANDO-SE OS DIREITOS DE AUTOR OU EDITORANDREA MARIA ACCIOLY FONSECA MINARDIMoita, Rodrigo Menon SimõesCastanho, Rafael Plantier2023-07-252023-07-252013https://repositorio.insper.edu.br/handle/11224/5952Initial public offer (IPO) is an alternative for companies to finance investments, for families to sell part or the total of their stake, and for private equity to exit. Although bookbuilding process reduces information asymetry and underpricing in IPOs, global literature reports positive first day return. When the underwriter perceives high demand, he or she adjusts upward the offer price, but not the full fair price. This partial adjustment creates positive first day return, which is used to compensate informed investors for revealing truthful information during the pre deal period. We investigate Brazilian IPOs issued between 2004 and 2012 and find evidence of partial adjustment in Brazil. Pre-deal information predicts both, underpricing and the exercise of greenshoe option.29 p.DigitalInglêsworking paperpartial adjustmentIPOunderpricinggreenshoe optionoverallotmentBEWP 191/2013