Republican control of the House faces structural headwinds ahead of the November 2026 midterms, with the president's party historically losing seats in off-year elections. Recent generic ballot polling shows Democrats holding a consistent 5- to 6-point edge, while updated forecasts from models incorporating fundraising, primaries, and district data project net Republican losses. Redistricting adjustments in states including Virginia and Missouri have altered several competitive maps, adding further uncertainty to seat totals. With only a limited number of true battlegrounds remaining after partisan line-drawing, traders have spread probability across multiple lower ranges rather than consolidating around any single outcome.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedRepublican House seats after the 2026 midterm elections?
Below 190 27%
195-199 12%
200-204 11.5%
215-219 11.1%
$234,839 Vol.
$234,839 Vol.
Below 190
27%
190-194
11%
195-199
12%
200-204
12%
205-209
10%
210-214
9%
215-219
11%
220-224
9%
225-229
3%
230+
2%
Below 190 27%
195-199 12%
200-204 11.5%
215-219 11.1%
$234,839 Vol.
$234,839 Vol.
Below 190
27%
190-194
11%
195-199
12%
200-204
12%
205-209
10%
210-214
9%
215-219
11%
220-224
9%
225-229
3%
230+
2%
This market will resolve according to the number of seats held by the Republican Party in the US House of Representatives as a result of the 2026 midterm elections.
This market will resolve based on the results of all US House of Representatives 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.
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 House 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 US House of Representatives 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.
Market Opened: Dec 18, 2025, 8:56 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the number of seats held by the Republican Party in the US House of Representatives as a result of the 2026 midterm elections.
This market will resolve based on the results of all US House of Representatives 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.
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 House 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 US House of Representatives 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...Republican control of the House faces structural headwinds ahead of the November 2026 midterms, with the president's party historically losing seats in off-year elections. Recent generic ballot polling shows Democrats holding a consistent 5- to 6-point edge, while updated forecasts from models incorporating fundraising, primaries, and district data project net Republican losses. Redistricting adjustments in states including Virginia and Missouri have altered several competitive maps, adding further uncertainty to seat totals. With only a limited number of true battlegrounds remaining after partisan line-drawing, traders have spread probability across multiple lower ranges rather than consolidating around any single outcome.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


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