Incumbent Senator Chris Coons commands 94.5% trader consensus in the Delaware Democratic Senate primary due to his 16-year tenure, multiple re-elections including a 59% win in 2020, and strong party establishment support in the deep-blue state. Challenger Christopher Beardsley, a low-profile Democrat who announced his bid in December 2025, shows minimal fundraising or polling traction, with no notable developments in the past 30 days to alter sentiment ahead of the September 15, 2026 primary. Historical incumbency success rates in uncontested or lightly challenged primaries exceed 90%, though scenarios like a major Coons scandal, health issue, or unexpected progressive mobilization could narrow the gap.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$10,830 Vol.
$10,830 Vol.
Chris Coons
94%
Christopher Beardsley
6%
$10,830 Vol.
$10,830 Vol.
Chris Coons
94%
Christopher Beardsley
6%
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 the Delaware Democratic Senate primary due to his 16-year tenure, multiple re-elections including a 59% win in 2020, and strong party establishment support in the deep-blue state. Challenger Christopher Beardsley, a low-profile Democrat who announced his bid in December 2025, shows minimal fundraising or polling traction, with no notable developments in the past 30 days to alter sentiment ahead of the September 15, 2026 primary. Historical incumbency success rates in uncontested or lightly challenged primaries exceed 90%, though scenarios like a major Coons scandal, health issue, or unexpected progressive mobilization could narrow the gap.
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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