Incumbent Democrat Chris Coons' bid for a fourth term anchors trader consensus at 92.5% for a Democratic win in Delaware's U.S. Senate race, reflecting the state's deep-blue partisan history—both seats Democratic-held since 2001 and Kamala Harris's 15-point 2024 presidential margin. Recent candidate filings, including Coons facing token primary opposition from Christopher Beardsley on September 15 and Republicans nominating figures like John Shulli, underscore the lopsided matchup absent a high-profile GOP recruit. No public polls have emerged in the past 30 days, but historical incumbency advantages in safe seats bolster pricing. Upsets could stem from Coons scandal, primary surprise, or national Republican wave ahead of the November general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$11,557 Vol.
$11,557 Vol.

Democrat
93%

Republican
7%
$11,557 Vol.
$11,557 Vol.

Democrat
93%

Republican
7%
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Market Opened: Oct 13, 2025, 5:35 PM ET
Resolver
0x2F5e3684c...A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Resolver
0x2F5e3684c...Incumbent Democrat Chris Coons' bid for a fourth term anchors trader consensus at 92.5% for a Democratic win in Delaware's U.S. Senate race, reflecting the state's deep-blue partisan history—both seats Democratic-held since 2001 and Kamala Harris's 15-point 2024 presidential margin. Recent candidate filings, including Coons facing token primary opposition from Christopher Beardsley on September 15 and Republicans nominating figures like John Shulli, underscore the lopsided matchup absent a high-profile GOP recruit. No public polls have emerged in the past 30 days, but historical incumbency advantages in safe seats bolster pricing. Upsets could stem from Coons scandal, primary surprise, or national Republican wave ahead of the November general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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