Terri Pickens leads trader consensus at 76.5% implied probability to win Idaho's Democratic gubernatorial primary on May 19, driven by her early campaign launch in November 2025, extensive trial attorney experience, and fourth-generation Idaho roots, positioning her as the organizational frontrunner in a field lacking public polls or major party endorsements. Maxine Durand follows at 20% with her decade-plus in public service and rural appeal, while Chanelle Torrez (5.5%) and Jill Kirkham (5%), both recent entrants emphasizing family and local issues, trail amid thin visibility. Stephen Heidt's share (1.9%) persists despite withdrawal reports. Absent recent catalysts like surveys or debates in the past 30 days, odds reflect skin-in-the-game assessments of campaign infrastructure in this uncontested primary dynamic.