Shares of Santander Brasil (SANB11) have declined approximately 21% in 2026, marking the steepest annual drop for the lender's Brazilian operations.
The sharp underperformance has created a record valuation gap between the local unit and its Spanish parent, Santander SA, which has seen its stock price surge over the same period.
The widening discount has intensified market speculation that the Spanish banking group may consider taking the Brazilian arm private.
Analysts note that such a move would allow Santander to consolidate its Latin American footprint while eliminating the discount that has long plagued the local listing.
The potential buyout represents a significant strategic shift for one of Brazil's largest financial institutions.
This development occurs against a backdrop of mixed signals for Brazilian equities.