Republicans hold a 53-47 Senate majority entering the 2026 midterms, where 35 seats are up—including specials in Florida and Ohio—with the GOP defending 22 amid multiple retirements like North Carolina's Thom Tillis and Montana's Steve Daines. Trader consensus reflects a tight contest, pricing narrow GOP retention at 49 or 51 seats or a Democratic flip to 47 or fewer, driven by historical midterm losses for the president's party despite a structurally favorable map featuring safe Republican holds in the South and Plains. Recent primary polls, such as Texas GOP runoff showing John Cornyn edging Ken Paxton and Florida special favoring Ashley Moody over Democrats by 7-11 points, underscore competitive battlegrounds like Texas, Nebraska, Iowa, Ohio, Maine, Michigan, and North Carolina. Ongoing primaries and sparse general election polling keep outcomes uncertain, with national generic ballot trends (D+8.5 modeled) and economic sentiment poised to tip the balance before November 3.
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$2,077,713 Vol.
$2,077,713 Vol.
≤47
26%
48
14%
49
19%
50
15%
51
17%
52
5%
53
3%
54
2%
55
1%
56
1%
57+
1%
$2,077,713 Vol.
$2,077,713 Vol.
≤47
26%
48
14%
49
19%
50
15%
51
17%
52
5%
53
3%
54
2%
55
1%
56
1%
57+
1%
This market will resolve according to the number of seats held by the Republican Party in the US Senate as a result of the 2026 midterm elections.
This market will resolve based on the results of all Senate elections, including special elections, that are scheduled to occur in November 2026 as of October 31, 2026. If a required runoff for any such election could change the market’s outcome, the market will remain open until that runoff is conclusively called by this market’s resolution sources.
If a Senate seat is vacant but a corresponding election is not held in November 2026, the seat will be considered held by the party of the seat's most recent incumbent.
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 Senate elections are conclusively called by this market's resolution sources. 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 at the time all of the Senate elections are conclusively called by this market's resolution sources.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources have conclusively called all Senate elections. If all three sources do not achieve consensus in calling the relevant races for this market, it will resolve based on the official certification.
Mercato aperto: Dec 18, 2025, 8:55 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the number of seats held by the Republican Party in the US Senate as a result of the 2026 midterm elections.
This market will resolve based on the results of all Senate elections, including special elections, that are scheduled to occur in November 2026 as of October 31, 2026. If a required runoff for any such election could change the market’s outcome, the market will remain open until that runoff is conclusively called by this market’s resolution sources.
If a Senate seat is vacant but a corresponding election is not held in November 2026, the seat will be considered held by the party of the seat's most recent incumbent.
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 Senate elections are conclusively called by this market's resolution sources. 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 at the time all of the Senate elections are conclusively called by this market's resolution sources.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources have conclusively called all Senate elections. If all three sources do not achieve consensus in calling the relevant races for this market, it will resolve based on the official certification.
Resolver
0x2F5e3684c...Republicans hold a 53-47 Senate majority entering the 2026 midterms, where 35 seats are up—including specials in Florida and Ohio—with the GOP defending 22 amid multiple retirements like North Carolina's Thom Tillis and Montana's Steve Daines. Trader consensus reflects a tight contest, pricing narrow GOP retention at 49 or 51 seats or a Democratic flip to 47 or fewer, driven by historical midterm losses for the president's party despite a structurally favorable map featuring safe Republican holds in the South and Plains. Recent primary polls, such as Texas GOP runoff showing John Cornyn edging Ken Paxton and Florida special favoring Ashley Moody over Democrats by 7-11 points, underscore competitive battlegrounds like Texas, Nebraska, Iowa, Ohio, Maine, Michigan, and North Carolina. Ongoing primaries and sparse general election polling keep outcomes uncertain, with national generic ballot trends (D+8.5 modeled) and economic sentiment poised to tip the balance before November 3.
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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