Banco Santander is trading 4.5% down at $11.91 after releasing third-quarter results on October 28, 2026. - Underlying profit rose 19% and beat analyst estimates; reported attributable profit fell 2%. - Loan-loss provisions increased 22%, and operating income missed expectations. Reuters cited weaker earnings in Brazil; market coverage also noted revenue disappointment. - Supplied market context was mixed; premarket volume information was unavailable.