Petrobras is trading 4.13% up at $20.15 as renewed U.S.-Iran fighting and tanker attacks near the Strait of Hormuz lifted crude prices and raised global supply-disruption concerns.
- Reuters reported Brent up 2.4% at $92.66 on September 1, 2026; the broader energy sector gained 1.83%.
- No clear Petrobras-specific catalyst was identified; the move is primarily sector-driven by higher oil prices.
- Petrobras closed August 31 at $19.35, up 4.43%, and continued higher during active regular-session trading.