Trader consensus on Polymarket assigns Democrats a 64.5% implied probability of winning the 2028 presidential election, ahead of Republicans at 34%. This positioning stems primarily from early national polling averages showing Democratic primary contenders such as Kamala Harris and Gavin Newsom remaining competitive in hypothetical general-election matchups against Republican frontrunner JD Vance. The Republican field centers on the sitting vice president following the 2024 outcome, while Democrats benefit from a broader bench and historical patterns of midterm shifts that often pressure the party holding the White House. Recent summer 2026 surveys reinforce Vance’s primary lead yet indicate narrow or tied general-election results in several tests, contributing to the current market spread without decisive late-cycle catalysts.
基於Polymarket數據的AI實驗性摘要。這不是交易建議,也不影響該市場的結算方式。 · 更新於Democratic National Committee approves South Carolina as first 2028 presidential primary state
Democratic jumps to 65%8%
The DNC’s decision to prioritize South Carolina for the first 2028 presidential primary, emphasizing diverse electorates, boosted market confidence in the Democratic Party’s electoral prospects.
Former President Donald Trump predicts Republican win in 2028 election
Republican rises to 42%3%
Trump publicly expressed confidence that the Republican Party would win the 2028 presidential election, boosting Republican market sentiment and briefly raising Republican prices from 39% to 42%, though this did not reverse the overall Democratic market advantage.



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