Lula da Silva’s position as incumbent president, combined with Jair Bolsonaro’s court-imposed ineligibility until 2030, has anchored trader consensus around his re-election prospects in the October 2026 contest. Flávio Bolsonaro’s low odds reflect limited name recognition and party infrastructure compared with established frontrunners. Recent polling trends and economic indicators have shown little volatility that would narrow the gap, leaving the market priced to the structural advantages of incumbency and opposition constraints. Late developments such as a major economic shock, health-related withdrawal, or unexpected court reversal on candidate eligibility remain the primary scenarios that could still alter the outcome before ballots close.