Incumbent Democrat Chris Coons holds a commanding trader consensus at 93.5% implied probability to win Delaware's 2026 US Senate race, reflecting the state's unbroken Democratic representation since 2001 and its +15 margin for Kamala Harris in the 2024 presidential contest. Coons, seeking a fourth term, benefits from incumbency advantages and historical base rates where no Republican has won a Delaware Senate seat in over two decades. With the GOP primary on September 15 and filing deadline July 14 approaching, no high-profile Republican challenger has emerged to shift dynamics. Scenarios that could challenge this include a late-breaking scandal, Coons' health issues, or a national Republican wave, though such shifts remain unlikely absent major catalysts.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato$11,557 Vol.
$11,557 Vol.

Democrat
94%

Republican
6%
$11,557 Vol.
$11,557 Vol.

Democrat
94%

Republican
6%
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.
Mercato aperto: 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 holds a commanding trader consensus at 93.5% implied probability to win Delaware's 2026 US Senate race, reflecting the state's unbroken Democratic representation since 2001 and its +15 margin for Kamala Harris in the 2024 presidential contest. Coons, seeking a fourth term, benefits from incumbency advantages and historical base rates where no Republican has won a Delaware Senate seat in over two decades. With the GOP primary on September 15 and filing deadline July 14 approaching, no high-profile Republican challenger has emerged to shift dynamics. Scenarios that could challenge this include a late-breaking scandal, Coons' health issues, or a national Republican wave, though such shifts remain unlikely absent major catalysts.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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