The current trader consensus, reflected in a 95.8% implied probability against a US default by 2027, stems from repeated congressional actions to raise or suspend the debt limit, a practice that has prevented any lapse in treasury payments despite periodic fiscal standoffs. Lawmakers from both parties have historically prioritized avoiding default due to its severe consequences for global financial markets, interest rates, and economic stability. The Department of the Treasury manages borrowing authority through extraordinary measures until legislative resolutions occur, maintaining payment schedules on existing obligations. Scenarios that could alter this outlook include an unprecedented failure in debt ceiling negotiations amid divided government or major shifts in fiscal policy priorities, though such developments remain outside recent patterns.