**Jozef Viskupič, the incumbent Trnava Region governor since 2017, holds the leading position in the market at 63.5% implied probability.** He announced his re-election bid in June 2026 with backing from Progresívne Slovensko and additional support from SaS, KDH, Demokrati, Hnutie Slovensko, and other center-right groups. This broad coalition builds on his established record managing regional projects in infrastructure, healthcare facilities, and cultural initiatives across districts like Trnava, Piešťany, and Galanta. Peter Hambálek, nominated in late July 2026 as the joint candidate of Smer-SD, Hlas-SD, SNS, and Republika, sits at 7.5%. His campaign emphasizes development outside the regional capital and cooperation with local stakeholders. József Berényi trails at 0.3%, consistent with limited recent momentum for candidates linked to Hungarian-minority parties. Other listed contenders register negligible probabilities. Regional elections occur in a single round, with no major new polling or campaign shifts reported in the weeks before September 2026. Trader pricing reflects Viskupič’s incumbency advantage and coalition breadth against a more divided opposition field. Resolution depends on official vote certification after the October polling date.