Republican Chris Gober's victory in the open Texas 10th district race produced an approximately 7.6-point margin on election night, aligning with the market's strong consensus on a 5-10% Republican win. The district's partisan lean, combined with Gober's primary win and polling averages showing a consistent 7-10 point edge over Democrat Caitlin Rourk, drove trader positioning. Key factors include the seat's historical Republican performance, limited Democratic crossover in suburban and rural counties, and turnout patterns that favored the GOP nominee. Final certification or minor ballot adjustments remain possible but are unlikely to shift the result outside the 5-10% band given the current spread and absence of widespread disputes.