Flávio Bolsonaro, first round: 47.03%

Brazil votes again on 25 October. Follow the Lula–Flávio Bolsonaro runoff with dated polling, market odds and links to official TSE results. Brazil's presidential election goes to a runoff between Luiz Inácio Lula da Silva and Flávio Bolsonaro on Sunday, 25 October 2026. As of this guide's check on 19 October, the second-round result has not been decided.

- Luiz Inácio Lula da Silva, first round: 45.16%
- Runoff day: 25 Oct
- Flávio Bolsonaro on Polymarket, 19 October: 77¢

Observed 2026-10-04, population: Valid votes in the first round of Brazil's 2026 presidential election.

Study: https://vultax.com/research/brazil-election-2026-polls-odds-results
Markdown: https://vultax.com/research/brazil-election-2026-polls-odds-results.md
Data: https://vultax.com/research/brazil-election-2026-polls-odds-results/data.json
Share card: https://vultax.com/og/article/research/brazil-election-2026-polls-odds-results
Live screen: https://app.vultax.com/predictions/topic/brazil-election-2026

Vultax Research, Brazil Election 2026: Runoff Date, Polls, Odds and Results, 2026-10-20, https://vultax.com/research/brazil-election-2026-polls-odds-results