Following the heated debate between former President Donald Trump and Vice President Kamala Harris, Polymarket data revealed an intense tie between the two from 6 a.m. to 12 p.m. EDT on Wednesday, with each holding a 49% chance of winning. By 2:30 p.m., however, Trump edged ahead by a single percentage point, according to bettors on Polymarket.
Trump and Harris Neck and Neck After Heated Debate, Polymarket Shows
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Swing States and Betting Odds Tighten, Trump Holds Narrow Lead Over Harris
On Tuesday, Sept. 10, Trump and Harris squared off in a lively debate hosted by NBC. In the aftermath, a series of polls took the pulse of public opinion. A CNN flash poll indicated that 63% of respondents favored Harris, with Trump receiving support from 37%. A separate Newsweek poll showed Harris leading Trump by almost two to one among 8,725 voters. Conversely, a poll from Livenow by Fox showed a majority (68%) backing Trump, with 31% supporting Harris.

In the early hours of Wednesday, Polymarket’s high-stakes presidential betting saw Harris and Trump locked in a tie, a shift after Trump had led the week before. By noon, the two candidates remained neck and neck. But by 2:30 p.m., archived stats show Trump edged ahead with a 50% chance, while Harris held 49%. Meanwhile, on a separate wager, Harris led in the popular vote over the electoral college.
As for the swing states, Trump continued to control four out of six key battlegrounds as of 2:30 p.m. on Wednesday. Although his lead had narrowed post-debate, he still held strong in Arizona, Georgia, Pennsylvania, and Nevada, while Harris maintained her grip on Michigan and Wisconsin.
The fluctuating odds between Trump and Harris highlight the unpredictable nature of political sentiment, especially in closely contested elections. With Trump slightly ahead on Polymarket but Harris favored by popular vote, the race remains fluid. Swing states will likely play a pivotal role, and the tight margins underscore how quickly public opinion can shift in response to key events like debates.
What do you think about the odds changing after last night’s heated presidential debate? Share your thoughts and opinions about this subject in the comments section below.














