Trader consensus on Polymarket prices exactly two Republican Senate incumbents failing to win their primaries at 51%, reflecting Sen. John Cornyn's underwhelming 40% first-round showing in Texas' March 3 GOP primary, forcing a May runoff with Trump ally Attorney General Ken Paxton amid fierce attacks on Cornyn's establishment ties and leadership votes. Sens. Tom Cotton in Arkansas and Cindy Hyde-Smith in Mississippi secured easy primary victories the same week, while incumbents like Sens. Thom Tillis, Tommy Tuberville, Joni Ernst, Mitch McConnell, Steve Daines, Markwayne Mullin, and Cynthia Lummis opted not to seek re-election, shrinking the field. Bettors see a second upset likely in races like Nebraska's May 12 primary or South Carolina's June 9 contest, where hard-right challengers exploit low-turnout dynamics and Trump endorsements against vulnerable incumbents, diverging slightly from historical base rates of rare GOP primary defeats. Upcoming runoffs and primaries through August could shift these closely contested probabilities.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · Aktualisiert2 42%
1 17%
0 12%
>4 3.8%
0
12%
1
37%
2
51%
3
15%
4
6%
>4
4%
2 42%
1 17%
0 12%
>4 3.8%
0
12%
1
37%
2
51%
3
15%
4
6%
>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.
Markt eröffnet: 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...Trader consensus on Polymarket prices exactly two Republican Senate incumbents failing to win their primaries at 51%, reflecting Sen. John Cornyn's underwhelming 40% first-round showing in Texas' March 3 GOP primary, forcing a May runoff with Trump ally Attorney General Ken Paxton amid fierce attacks on Cornyn's establishment ties and leadership votes. Sens. Tom Cotton in Arkansas and Cindy Hyde-Smith in Mississippi secured easy primary victories the same week, while incumbents like Sens. Thom Tillis, Tommy Tuberville, Joni Ernst, Mitch McConnell, Steve Daines, Markwayne Mullin, and Cynthia Lummis opted not to seek re-election, shrinking the field. Bettors see a second upset likely in races like Nebraska's May 12 primary or South Carolina's June 9 contest, where hard-right challengers exploit low-turnout dynamics and Trump endorsements against vulnerable incumbents, diverging slightly from historical base rates of rare GOP primary defeats. Upcoming runoffs and primaries through August could shift these closely contested probabilities.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · Aktualisiert
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