Trader consensus assigns the Democratic trifecta a 52.5 percent implied probability for 2028 control of the presidency, Senate, and House, while the Republican trifecta stands at 14 percent and various split-government outcomes range from 3.8 to 9.5 percent. The narrow lead and clustered probabilities reflect post-2026 midterm positioning, where neither party holds clear structural advantages in swing states or congressional maps. Voter turnout patterns, economic indicators, and the emerging presidential fields remain the primary variables that could shift probabilities ahead of primaries and the general election. Scheduled legislative sessions and confirmation dynamics through 2027 provide additional catalysts for reassessment by traders evaluating paths to unified or divided government.