Wi Seong-gon secured the Democratic Party nomination for Jeju governor in April 2026 as a three-term lawmaker with deep local roots, setting up a matchup against People Power Party candidate Moon Sung-yu in the June 3 local election. This early consolidation behind a sitting national assembly member from the province has shaped trader consensus around his strong position. The ruling party's organizational edge and historical performance in Jeju contribute to the current implied probabilities. Late developments such as unexpected national political shifts, candidate-specific controversies, or shifts in voter turnout could still alter outcomes before election day, though no major new catalysts have emerged in recent weeks.