Recent opinion polls show President Jair Bolsonaro is chipping away at Lula’s lead in the run-up to the Oct. 30 runoff vote. An Exame/Ideia survey published earlier in the day had both candidates statistically tied while a Datafolha poll released Wednesday showed Lula’s lead tightening by 2 percentage points in a period of four days.
More at: https://news.yahoo.com/lula-sees-very-tight-brazil-153054011.html
Hopefully very little fraud. Bolsonaro is hugely popular and imho the first election had fraud, or his numbers would have been higher.