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Who will win the 2026 Delaware At-Large US House Republican Primary?

Sep 16, 2026, 3:59am UTC, in 54 daysLast updated: Jul 24, 2026, 11:53 PM UTC

DE-AL Republican nominee?

$6.9K

SEP 16, 2026

Primary Election

Party selects its nominee.

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OddsCurrent Odds

Track how candidate odds have moved across common market windows.

Total volume

$6.9K

24h volume

$4.3K

E. Cooper42%

L. Murphy1%

D. Hall0%

No chart data available yet.

source: Kalshi

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September

TUE 15

Delaware 2026 primary

November

TUE 3

Delaware 2026 general election

Latest Insights

DE-AL Republican nominee?

Cooper’s odds have jumped to a fresh high after Delaware Republicans formally named him their congressional nominee, tightening the race around a near-certain outcome.

97%

DE-AL Republican nominee?

Donyale Hall's odds fell below the previous low of 31%, setting a fresh floor for "DE-AL Republican nominee?"

4%27%

DE-AL Republican nominee?

19h

Earl Cooper's odds reached 96%, breaking above the prior high of 2%.

97%95%

News

AINews Summary

There is no reported development directly affecting the 2026 Delaware at-large U.S. House Republican nomination. The recent summaries are mostly about unrelated national politics, with one Delaware local-government item that does not touch this race. The market looks unchanged from these reports. No clear market-moving information for this nomination. The race appears unchanged based on the provided summaries, so uncertainty remains high.

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