SBF and Caroline (and probably Trabucco) probably already on their way to non-extradition countries and taking what little cash remains with them. They'll end up in prison if they don't.
TBH if you look at the data the US doesn't extradite that liberally. Even the Liberian torturer son of Charles Taylor or whatever was safe in the Caribbean despite being extraditable; as long as you didn't commit murder or do something big on the public radar or make political enemies or steal too much money I get the impression the US government doesn't try too hard. But they will definitely try to extradite this fella.