Rep. Ron Estes, the Republican incumbent since 2017, drives trader consensus favoring a Republican hold at 83% implied probability in the KS-04 House race, anchored by the district's R+12 partisan lean and his history of comfortable reelections, including a 65%-35% win in 2024. Recent FEC filings as of late April confirm Estes' fundraising dominance with over $1.6 million cash-on-hand, unopposed in the GOP primary after filing in January, while Democrats face a crowded primary field lacking a clear frontrunner. No polls have emerged, but ratings from Cook Political Report (Solid Republican) and others underscore structural barriers to a Democratic upset ahead of the June 1 filing deadline and August 4 primaries.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedKS-04 House Election Winner
KS-04 House Election Winner
$30,880 Vol.
$30,880 Vol.
Republican Party
83%
Democratic Party
14%
$30,880 Vol.
$30,880 Vol.
Republican Party
83%
Democratic Party
14%
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Market Opened: Jan 28, 2026, 11:09 AM ET
Resolver
0x2F5e3684c...A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Resolver
0x2F5e3684c...Rep. Ron Estes, the Republican incumbent since 2017, drives trader consensus favoring a Republican hold at 83% implied probability in the KS-04 House race, anchored by the district's R+12 partisan lean and his history of comfortable reelections, including a 65%-35% win in 2024. Recent FEC filings as of late April confirm Estes' fundraising dominance with over $1.6 million cash-on-hand, unopposed in the GOP primary after filing in January, while Democrats face a crowded primary field lacking a clear frontrunner. No polls have emerged, but ratings from Cook Political Report (Solid Republican) and others underscore structural barriers to a Democratic upset ahead of the June 1 filing deadline and August 4 primaries.
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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