Republican control of the Senate enables reconciliation to advance budget-related measures with a simple majority, but internal GOP divisions over the scope, Byrd rule compliance, and deficit impact of a potential third package have slowed progress since the Secure America Act cleared the chamber in early June. House Republicans advanced instructions for Reconciliation 3.0 in July targeting additional enforcement funding, yet Senate leaders have signaled limited appetite for floor action amid competing appropriations demands and member concerns over a proposed $95 billion measure. Traders weigh these procedural and partisan hurdles against any scheduled budget committee markups or leadership negotiations that could unlock another bill before year-end deadlines.