Petrobras' preferred shares (PBR-A) reached a 52-week high of $22.62 on October 13, 2026. The milestone marks a significant gain for the state-controlled energy company. The shares have more than doubled from their 52-week low of $10.49.

The shares have set fresh highs over consecutive sessions. The continued rise suggests strong investor confidence and that the stock has moved past previous resistance levels.

Analysts are watching to see whether Petrobras' ordinary shares will follow suit. A divergence could signal differing views on future dividend policies or the company's capital structure.