Incumbent Senator Chris Coons commands 94.5% trader consensus in Delaware's Democratic Senate primary on September 15, driven by his multi-term incumbency advantage, strong name recognition, and fundraising dominance in the solidly blue state. Challenger Christopher Beardsley, a former Peace Corps volunteer who entered the race in December 2025, trails at 5.2% amid minimal resources—under $25,000 raised by year-end—and no public polling to indicate upset potential. No significant developments, such as endorsements, scandals, or campaign shifts, have occurred in the past 30 days to alter this dynamic. Upsets remain possible via late entrant challengers, personal health issues for Coons, or unexpected progressive mobilization, though historical primary incumbency rates exceed 90% success.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$10,831 Vol.
$10,831 Vol.
Chris Coons
95%
Christopher Beardsley
5%
$10,831 Vol.
$10,831 Vol.
Chris Coons
95%
Christopher Beardsley
5%
If no 2026 Delaware Democratic Senate Primary takes place, this market will resolve to "Other".
The resolution source for this market will be the first announcement of the results from the Delaware Democratic party, however an overwhelming consensus of credible reporting may suffice.
Market Opened: Dec 12, 2025, 11:02 AM ET
Resolver
0x2F5e3684c...If no 2026 Delaware Democratic Senate Primary takes place, this market will resolve to "Other".
The resolution source for this market will be the first announcement of the results from the Delaware Democratic party, however an overwhelming consensus of credible reporting may suffice.
Resolver
0x2F5e3684c...Incumbent Senator Chris Coons commands 94.5% trader consensus in Delaware's Democratic Senate primary on September 15, driven by his multi-term incumbency advantage, strong name recognition, and fundraising dominance in the solidly blue state. Challenger Christopher Beardsley, a former Peace Corps volunteer who entered the race in December 2025, trails at 5.2% amid minimal resources—under $25,000 raised by year-end—and no public polling to indicate upset potential. No significant developments, such as endorsements, scandals, or campaign shifts, have occurred in the past 30 days to alter this dynamic. Upsets remain possible via late entrant challengers, personal health issues for Coons, or unexpected progressive mobilization, though historical primary incumbency rates exceed 90% success.
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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