Incumbent Sen. Chris Coons (D) dominates the 2026 Delaware U.S. Senate race, reflecting the state's solid Democratic lean—Kamala Harris won by 15 points in 2024—and historical trends with no Republican Senate victory since the 1970s. Coons, seeking a fourth full term after comfortable 2018 reelection (60%-39%), faces minimal primary opposition from Christopher Beardsley on September 15, holding 95% implied odds there. Republicans, with Dr. Mike Katz as endorsed nominee, lack competitive polling or fundraising to challenge in this safe seat rated Solid D by Cook Political Report. Absent a major scandal, health issue, or national Republican wave, trader consensus sees negligible paths for an upset before the November general election.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert$11,557 Vol.
$11,557 Vol.

Demokrat
93%

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

Demokrat
93%

Republikaner
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.
Markt eröffnet: 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 Sen. Chris Coons (D) dominates the 2026 Delaware U.S. Senate race, reflecting the state's solid Democratic lean—Kamala Harris won by 15 points in 2024—and historical trends with no Republican Senate victory since the 1970s. Coons, seeking a fourth full term after comfortable 2018 reelection (60%-39%), faces minimal primary opposition from Christopher Beardsley on September 15, holding 95% implied odds there. Republicans, with Dr. Mike Katz as endorsed nominee, lack competitive polling or fundraising to challenge in this safe seat rated Solid D by Cook Political Report. Absent a major scandal, health issue, or national Republican wave, trader consensus sees negligible paths for an upset before the November general election.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert
Vorsicht bei externen Links.
Vorsicht bei externen Links.
Häufig gestellte Fragen