Trader consensus prices an 81.5% chance that zero Democratic Senate incumbents lose their 2026 primaries, reflecting the strong incumbency advantage and weak challenger fields among the roughly nine running incumbents, including Hickenlooper in Colorado, Ossoff in Georgia, Booker in New Jersey, and Warner in Virginia. Recent candidate filing deadlines through late March 2026, such as California's June 2 certified list and Illinois' March 17 open primary following Durbin's retirement, revealed only low-profile opponents like state legislators or activists, with no evidence of competitive polling, fundraising disparities, or party fractures. Historical base rates show Senate incumbents winning primaries over 95% of the time, bolstered by safe blue states and absent insurgencies, though minor risks persist in races like Massachusetts (Markey vs. Moulton) ahead of May-September primaries. The 10.8% on one loss hedges potential upsets in contested fields like Colorado or New Mexico.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoHow many Democratic Senate Incumbents will not win their Primary?
How many Democratic Senate Incumbents will not win their Primary?
0 70%
1 20.1%
3 4.0%
4 3.9%
0
80%
1
11%
2
2%
3
4%
4
4%
>4
3%
0 70%
1 20.1%
3 4.0%
4 3.9%
0
80%
1
11%
2
2%
3
4%
4
4%
>4
3%
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.
Mercato aperto: 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...Trader consensus prices an 81.5% chance that zero Democratic Senate incumbents lose their 2026 primaries, reflecting the strong incumbency advantage and weak challenger fields among the roughly nine running incumbents, including Hickenlooper in Colorado, Ossoff in Georgia, Booker in New Jersey, and Warner in Virginia. Recent candidate filing deadlines through late March 2026, such as California's June 2 certified list and Illinois' March 17 open primary following Durbin's retirement, revealed only low-profile opponents like state legislators or activists, with no evidence of competitive polling, fundraising disparities, or party fractures. Historical base rates show Senate incumbents winning primaries over 95% of the time, bolstered by safe blue states and absent insurgencies, though minor risks persist in races like Massachusetts (Markey vs. Moulton) ahead of May-September primaries. The 10.8% on one loss hedges potential upsets in contested fields like Colorado or New Mexico.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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