Flávio Bolsonaro is reportedly en route to the United States, according to allies cited by Folha de S.Paulo. That comes just two days after he lost the presidential runoff to Lula, and after the Supreme Court ordered him to surrender his passports amid criminal investigations. Brazilian authorities then cancelled his Brazilian passport.Allies say he went out through Argentina. Nothing about the route or his current location has been confirmed, so treat this with some caution until there’s an official word.If it’s accurate, this goes well beyond a losing candidate leaving the country. A presidential runner-up under investigation, travelling without a valid passport, would be landing in a country whose president openly backed him. The family already has a foothold there. His brother Eduardo told Reuters he has received permanent US residency, and has lived in the US since February 2025. Flávio met Trump in the Oval Office back in May. Brasília also denied visas to two US diplomats this summer after spotting a possible link between Flávio’s attacks on the voting machines and the Trump administration.So the setup is a likely extradition fight, Washington possibly treating him as a political exile, and a US-Brazil relationship that was already strained heading toward an ugly patch right as Lula starts a new term. It's almost certain that Trump would grant him asylum but it might be more tricky in a subsequent administration. It could also hinge on the charges, which are money laundering and illegal transfers abroad.For markets, I don’t see this as a BRL story yet. The election is already enough for the currency to deal with and the challenger leaving the country is about as conclusive an ending as you can get. It does raise questions about the future of any Bolsonaro movement, but effectively ends it. His father Jair remains under house arrest.The risk is on the bilateral side. If this escalates into tariff threats, sanctions on Brazilian officials or a trade spat, that’s the channel that would hit Brazilian assets. Watch for any comment from the White House or the State Department. This article was written by Adam Button at investinglive.com.