The competitive primary challenges confronting Republican Senate incumbents John Cornyn in Texas and Bill Cassidy in Louisiana represent the primary drivers behind current trader positioning. Cornyn faces a tight May 26 runoff against state Attorney General Ken Paxton, with recent polls showing a near-even contest that could produce an upset. Cassidy confronts a Trump-aligned challenger in the May 16 primary, reflecting ongoing intraparty tensions over past votes and policy stances. These races, amid broader patterns of limited but intense primary pressure on a handful of incumbents, have aligned market consensus around one defeat as the leading outcome, while the possibility of a second loss in Louisiana or elsewhere sustains support for two. Historical base rates of incumbent primary success and the absence of widespread challenges across the remaining field further anchor probabilities near these levels.
Polymarket 데이터를 참조하는 실험적 AI 생성 요약입니다. 이것은 거래 조언이 아니며 이 마켓의 정산에 영향을 미치지 않습니다. · 업데이트1 38%
2 15.0%
0 11%
3 8.4%
0
11%
1
38%
2
23%
3
8%
4
7%
>4
4%
1 38%
2 15.0%
0 11%
3 8.4%
0
11%
1
38%
2
23%
3
8%
4
7%
>4
4%
This market will resolve according to the number of Republican Senate incumbents who do not win their nominating election to move on to the general election as a result of the 2026 midterm primary elections.
An incumbent will be considered not to have won their election if they are not declared the winner of the election they sought, including if they withdraw, suspend, or otherwise leave the race at any point after officially registering as a candidate, regardless of the reason. Incumbents who do not officially register as candidates for reelection will not be considered.
This market will resolve based on the results of all Senate nominating elections, including party primaries, top-two or jungle primaries, and primaries for special elections, that are scheduled to occur between March 1 and September 30, 2026. If a required runoff for any such election or a subsequent qualifying round in a non-partisan primary system could change the market’s outcome, the market will remain open until that contest is conclusively called by this market’s resolution sources.
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time of their nominating election. A candidate without a ballot-listed affiliation to either the Democratic 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 prior to the conclusion of the relevant nominating election.
The resolution source for this market will be the Associated Press, Fox News, and NBC. This market will resolve once all three sources have conclusively called all relevant nominating elections. If all three sources do not achieve consensus in calling the relevant races for this market, it will resolve based on official state certification of the nominating election results.
마켓 개설일: Jan 14, 2026, 2:51 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the number of Republican Senate incumbents who do not win their nominating election to move on to the general election as a result of the 2026 midterm primary elections.
An incumbent will be considered not to have won their election if they are not declared the winner of the election they sought, including if they withdraw, suspend, or otherwise leave the race at any point after officially registering as a candidate, regardless of the reason. Incumbents who do not officially register as candidates for reelection will not be considered.
This market will resolve based on the results of all Senate nominating elections, including party primaries, top-two or jungle primaries, and primaries for special elections, that are scheduled to occur between March 1 and September 30, 2026. If a required runoff for any such election or a subsequent qualifying round in a non-partisan primary system could change the market’s outcome, the market will remain open until that contest is conclusively called by this market’s resolution sources.
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time of their nominating election. A candidate without a ballot-listed affiliation to either the Democratic 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 prior to the conclusion of the relevant nominating election.
The resolution source for this market will be the Associated Press, Fox News, and NBC. This market will resolve once all three sources have conclusively called all relevant nominating elections. If all three sources do not achieve consensus in calling the relevant races for this market, it will resolve based on official state certification of the nominating election results.
Resolver
0x2F5e3684c...The competitive primary challenges confronting Republican Senate incumbents John Cornyn in Texas and Bill Cassidy in Louisiana represent the primary drivers behind current trader positioning. Cornyn faces a tight May 26 runoff against state Attorney General Ken Paxton, with recent polls showing a near-even contest that could produce an upset. Cassidy confronts a Trump-aligned challenger in the May 16 primary, reflecting ongoing intraparty tensions over past votes and policy stances. These races, amid broader patterns of limited but intense primary pressure on a handful of incumbents, have aligned market consensus around one defeat as the leading outcome, while the possibility of a second loss in Louisiana or elsewhere sustains support for two. Historical base rates of incumbent primary success and the absence of widespread challenges across the remaining field further anchor probabilities near these levels.
Polymarket 데이터를 참조하는 실험적 AI 생성 요약입니다. 이것은 거래 조언이 아니며 이 마켓의 정산에 영향을 미치지 않습니다. · 업데이트
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