Luz Rivas holds an 88.5% implied probability as the winner of California's 29th congressional district seat, reflecting her status as the Democratic incumbent who secured 51% in the June 2026 top-two primary and advanced alongside challenger Angélica María Dueñas. The district's strong Democratic lean and the absence of a Republican in the November general election further consolidate trader consensus around the incumbent. Dueñas trails at 6.3% after finishing second in the primary with roughly 25% of the vote. No major new polling, endorsements, or campaign developments have emerged in recent weeks to alter positioning, leaving the race's trajectory dependent on standard midterm turnout patterns and any late shifts in voter mobilization.