As of August 2026, no major-party candidates have made formal 2028 presidential announcements, leaving the field open amid positioning by governors, senators, and other figures. The November 2026 midterms stand as the immediate catalyst, with outcomes likely to elevate or sideline contenders based on performance in key races and resulting party momentum. Democratic primary calendar adjustments favoring early states like South Carolina and Nevada have prompted behind-the-scenes preparation, while Republican prospects remain tied to administration roles and post-2024 alignments. Exploratory committees and FEC filings have surfaced in limited cases, yet widespread declarations are projected after the midterms through early 2027. Trader assessments track these timelines, weighing incumbency advantages, polling trajectories, and potential late entrants against historical patterns of announcement clustering.