Why is Itau Unibanco stock surging today?

Itau Unibanco Banco Holding SA ADR shares experienced a significant surge of 10.7% in pre-open trading, reaching $9.51 after Brazil's first-round presidential election results were announced on October 4. The results showed Flávio Bolsonaro with approximately 47% of the votes, while incumbent President Lula received 45%, necessitating a runoff on October 25 due to neither candidate reaching the 50% threshold.

This clear political picture emerged as a catalyst for the rally, alongside JPMorgan's recent price target increase to $10 from $9, maintaining an Overweight rating on Itau Unibanco. The bank's strong Q2 recurring net income of BRL 12.4 billion, a 7.8% year-over-year increase, and a 24.3% return on equity also provided fundamental support to the surge.

With a 52-week high of $9.60, today's move brings ITUB close to its annual peak. The market had anticipated sharp swings in Brazilian assets regardless of the election outcome, but the neck-and-neck presidential race prevented strong directional positions. Brazilian stocks, the real, and U.S.-listed Brazilian companies typically react sharply to political shifts, further amplified by the 25% U.S. tariff on Brazilian goods since July 2026.

The combination of the election results, analyst support, and Itau's solid financials led to one of the sharpest single-session moves for the ADR in recent memory.