Democratic Senate incumbents have historically secured renomination at very high rates, with primary challenges rarely proving successful absent major scandals or well-funded opponents. As of early August 2026, trader consensus pricing 0 or 1 losses at over 83% combined reflects limited reported primary activity, absence of prominent intra-party contests, and typical filing timelines that have not yet produced credible threats in most states. Factors supporting these odds include incumbency advantages in fundraising and name recognition, alongside no widespread polling or endorsements signaling vulnerability. Outcomes of 2 or more remain discounted due to the structural barriers challengers face in Senate races, though late-cycle developments such as candidate announcements or shifts in party dynamics could still alter probabilities before primary dates conclude.
Tóm tắt AI thử nghiệm tham chiếu dữ liệu Polymarket. Đây không phải tư vấn giao dịch và không ảnh hưởng đến cách thị trường này được giải quyết. · Cập nhậtHow many Democratic Senate Incumbents will not win their Primary?
0 65%
1 20.0%
2 5.3%
>4 2.4%
0
65%
1
19%
2
5%
3
7%
4
2%
>4
2%
0 65%
1 20.0%
2 5.3%
>4 2.4%
0
65%
1
19%
2
5%
3
7%
4
2%
>4
2%
This market will resolve according to the number of Democratic 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.
Thị trường mở: Jan 14, 2026, 2:52 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the number of Democratic 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...Democratic Senate incumbents have historically secured renomination at very high rates, with primary challenges rarely proving successful absent major scandals or well-funded opponents. As of early August 2026, trader consensus pricing 0 or 1 losses at over 83% combined reflects limited reported primary activity, absence of prominent intra-party contests, and typical filing timelines that have not yet produced credible threats in most states. Factors supporting these odds include incumbency advantages in fundraising and name recognition, alongside no widespread polling or endorsements signaling vulnerability. Outcomes of 2 or more remain discounted due to the structural barriers challengers face in Senate races, though late-cycle developments such as candidate announcements or shifts in party dynamics could still alter probabilities before primary dates conclude.
Tóm tắt AI thử nghiệm tham chiếu dữ liệu Polymarket. Đây không phải tư vấn giao dịch và không ảnh hưởng đến cách thị trường này được giải quyết. · Cập nhật


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