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2026 Brazil Presidential Election Odds - Flavio Bolsonaro favourite to take power in election

gary-emmerson
Editor
Last updated: Mon 28 Sep 2026 23:15
The Brazilian presidential election on October 4 is shaping up as a fiercely close contest, with Flávio Bolsonaro now favored by 1xBet odds to win the presidency at 1.73 (57.8% implied probability), ahead of President Lula at 2.00 (50%). Despite Lula leading first-round polling, betting markets hint at strong momentum for Bolsonaro. Both are nearly tied in runoff projections, making a second voting round highly likely. Renan Santos is a distant outsider according to both polls and odds. Expect a dramatic finale on October 25 if no candidate wins outright.
Gary Emmerson 1 hour ago
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  • Flávio Bolsonaro is the new betting market favourite for Brazil's presidency
  • President Lula leads first-round polls but is just behind in betting odds and runoff projections
  • A tight contest is expected, with a likely runoff if no candidate wins a majority on October 4
Flavio Bolsonaro
Brazilian right-wing presidential candidate Flavio Bolsonaro is now favourite to win the vote (Getty Images)

Brazil heads to the polls on October 4 with Flavio Bolsonaro now the narrow favourite in 1xBet’s presidential election winner market. 

The Liberal senator is priced at 1.73, compared with 2.00 for President Lula to remain in power, making this a considerably closer contest than the first-round polling lead alone might suggest.

Bolsonaro is the son of former president Jair Bolsonaro, who is ineligible to stand having been incarcerated. Lula, meanwhile, is seeking a fourth, non-consecutive term as president.

A survey published on 23 September put Lula on 45.8% in a first-round scenario and Bolsonaro on 43.4%. Its simulated runoff was tighter still: 47.7% for Lula and 47.4% for Bolsonaro, a difference within the poll’s margin of error. 

Renan Santos polled at 4.5% in the first-round scenario.

If no candidate secures more than half of valid votes on 4 October, the top two will meet in a runoff on 25 October. 

Latest Brazil Presidential Election Odds

CandidateDecimal oddsRaw implied probability
Flávio Bolsonaro1.7357.8%
Luiz Inácio Lula da Silva2.0050.0%
Renan Santos26.003.8%

1xBet is home to a huge selection of global political betting markets.

Brazilian Presidential Election Leading Candidates

Flavio Bolsonaro

Flávio Bolsonaro is a senator and the Liberal Party’s presidential candidate. As the son of former president Jair Bolsonaro, he is carrying the right-wing challenge to Lula while his father remains barred from seeking office.

His 1.73 price makes him 1xBet’s favourite to win the presidency, but it does not mean he leads the first-round polls. 

AtlasIntel/Bloomberg placed him 2.4 points behind Lula in its latest cited first-round scenario, while finding the pair statistically tied in a hypothetical runoff.

Luiz Inácio Lula da Silva

Lula is the sitting president and is seeking a fourth non-consecutive mandate. He launched his re-election bid at the Workers’ Party convention in August, presenting himself as a defender of Brazilian sovereignty amid pressure from the United States.

At 2.00 with 1xBet, Lula is a close second in the winner market despite leading the AtlasIntel/Bloomberg first-round survey. 

That distinction matters - finishing ahead on 4 October would not settle the presidency if neither candidate crosses the threshold for an outright victory.

Renan Santos

Renan Santos is a distant outsider in the outright winner market at 26.00 with 1xBet.

AtlasIntel/Bloomberg gave him 4.5% in its first-round scenario, well behind Lula and Bolsonaro. He is 26.00 odds to win the election with a shock result.
gary-emmerson
Gary Emmerson

Sports Editor • 30+ Years Experience In Sports & Betting

Gary has been writing about sport for more than 30 years and graduated with a degree in media and journalism from the University of Bedfordshire.


He has worked for newspapers including the Daily Telegraph, agencies including Reuters and many online sites covering a range of sports including Atlas F1 and Bleacher Report.

A senior editor, he covers all major sports, betting industry news from across the world and loves a weekend bet.

Follow Gary on Muckrack, Twitter or Linkedin

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