Multiple Democratic House primaries this cycle have featured notable upsets driven by generational challenges, ideological divides between progressives and moderates, and redistricting effects, with at least five incumbents already defeated as of early August 2026. Recent results in New York and Colorado highlighted anti-incumbent energy targeting longer-serving members, while upcoming contests in California and other states could add to the total. Trader consensus remains tightly clustered around the 7–15 range because the number of remaining high-profile challenges and their outcomes stay uncertain, with low odds on extremes reflecting historical base rates for primary defeats. Scheduled votes through September could shift probabilities if additional incumbents fall or if most survive.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour13-15 23.7%
7-9 23.1%
10-12 20.7%
<3 8.0%
<3
8%
4-6
6%
7-9
23%
10-12
21%
13-15
24%
>15
3%
13-15 23.7%
7-9 23.1%
10-12 20.7%
<3 8.0%
<3
8%
4-6
6%
7-9
23%
10-12
21%
13-15
24%
>15
3%
This market will resolve according to the number of Democratic House 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 House 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.
Members of the House of Representatives who are "delegates” or “resident commissioners” not chosen by the people of a state are not included for purposes of resolving this market.
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.
Marché ouvert : Jan 14, 2026, 2:55 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the number of Democratic House 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 House 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.
Members of the House of Representatives who are "delegates” or “resident commissioners” not chosen by the people of a state are not included for purposes of resolving this market.
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...Multiple Democratic House primaries this cycle have featured notable upsets driven by generational challenges, ideological divides between progressives and moderates, and redistricting effects, with at least five incumbents already defeated as of early August 2026. Recent results in New York and Colorado highlighted anti-incumbent energy targeting longer-serving members, while upcoming contests in California and other states could add to the total. Trader consensus remains tightly clustered around the 7–15 range because the number of remaining high-profile challenges and their outcomes stay uncertain, with low odds on extremes reflecting historical base rates for primary defeats. Scheduled votes through September could shift probabilities if additional incumbents fall or if most survive.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour

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