Petrobras is trading at BRL 53.82, up +5.18% on October 5, 2026, as Brazilian assets rally after Senator Flávio Bolsonaro outperformed polling expectations in the first-round presidential vote; Reuters reported markets were expected to rally on the result.

  • The second Morpho well oil discovery off Amapá provided additional company-specific support, though it was announced before this session.
  • Oil above US$100 and supply concerns also supported energy-sector sentiment.