**Professora Dorinha (União) holds a 59% implied probability as the Tocantins governor election winner, ahead of Vicentinho Júnior (PSDB) at 38.5%, with other candidates at 0.1%.** The October 4 first-round results produced a narrow outcome, with Dorinha at 45.52% of valid votes and Vicentinho Júnior at 43.94%, sending both to the October 25 runoff while Laurez Moreira (PSD) and remaining contenders trailed far behind. Recent polling from late September showed Dorinha leading or in technical ties in second-round simulations, reflecting her edge in name recognition as a sitting senator and consistent support among key voter blocs. The close first-round margin, combined with ongoing coalition-building and legislative endorsements, sustains the competitive positioning reflected in current trader consensus, though shifts in turnout or late campaign momentum could narrow or widen the gap before the runoff concludes.