Incumbent Democrat Chris Coons seeks a fourth Senate term in Delaware's November 2026 election, facing a limited Republican primary field that includes Michael Katz. Delaware's consistent Democratic lean, demonstrated by double-digit margins in recent presidential contests, combined with Coons' long incumbency and substantial fundraising edge, underpins trader consensus around a 96 percent probability of a Democratic victory. All major forecasters rate the race Solid or Safe Democratic, reflecting the state's partisan baseline and absence of competitive Republican infrastructure since the 1990s. A late primary upset, health development, or national partisan shift could theoretically narrow the margin, though structural barriers make such changes improbable before Election Day.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$16,526 Vol.
$16,526 Vol.
Nov 2, 2026
Democrat
96%
Republican
5%
$16,526 Vol.
$16,526 Vol.
Nov 2, 2026
Democrat
$10,633 Vol.
96%
Republican
$5,894 Vol.
5%
This market will resolve according to the winner of the 2026 midterm Delaware U.S. Senate election, inclusive of any run-offs.
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.Incumbent Democrat Chris Coons seeks a fourth Senate term in Delaware's November 2026 election, facing a limited Republican primary field that includes Michael Katz. Delaware's consistent Democratic lean, demonstrated by double-digit margins in recent presidential contests, combined with Coons' long incumbency and substantial fundraising edge, underpins trader consensus around a 96 percent probability of a Democratic victory. All major forecasters rate the race Solid or Safe Democratic, reflecting the state's partisan baseline and absence of competitive Republican infrastructure since the 1990s. A late primary upset, health development, or national partisan shift could theoretically narrow the margin, though structural barriers make such changes improbable before Election Day.
This market will resolve according to the winner of the 2026 midterm Delaware U.S. Senate election, inclusive of any run-offs.
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.
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
Volume
$16,526End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...This market will resolve according to the winner of the 2026 midterm Delaware U.S. Senate election, inclusive of any run-offs.
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.Incumbent Democrat Chris Coons seeks a fourth Senate term in Delaware's November 2026 election, facing a limited Republican primary field that includes Michael Katz. Delaware's consistent Democratic lean, demonstrated by double-digit margins in recent presidential contests, combined with Coons' long incumbency and substantial fundraising edge, underpins trader consensus around a 96 percent probability of a Democratic victory. All major forecasters rate the race Solid or Safe Democratic, reflecting the state's partisan baseline and absence of competitive Republican infrastructure since the 1990s. A late primary upset, health development, or national partisan shift could theoretically narrow the margin, though structural barriers make such changes improbable before Election Day.
This market will resolve according to the winner of the 2026 midterm Delaware U.S. Senate election, inclusive of any run-offs.
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.
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.
Volume
$16,526End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...Incumbent Democrat Chris Coons seeks a fourth Senate term in Delaware's November 2026 election, facing a limited Republican primary field that includes Michael Katz. Delaware's consistent Democratic lean, demonstrated by double-digit margins in recent presidential contests, combined with Coons' long incumbency and substantial fundraising edge, underpins trader consensus around a 96 percent probability of a Democratic victory. All major forecasters rate the race Solid or Safe Democratic, reflecting the state's partisan baseline and absence of competitive Republican infrastructure since the 1990s. A late primary upset, health development, or national partisan shift could theoretically narrow the margin, though structural barriers make such changes improbable before Election Day.
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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