Republican House control odds for the 2026 midterms reflect trader consensus on historical midterm penalties for the president's party, which has lost seats in nearly every cycle over the past century, compounded by Democrats' persistent leads in recent generic ballot polls like Rasmussen's 45-42 Democrat edge as of March 26 and Fox News' 52-46 spread. A wave of over 35 GOP retirements, including Missouri Rep. Sam Graves' recent announcement, has tilted early Cook Political Report and Sabato's Crystal Ball ratings toward a narrow Republican edge with 10 tossups vulnerable in battleground districts. President Trump's approval hit a new low of 36% amid Iran conflict escalation, surging fuel prices, and partisan divides, fracturing the GOP base; absent a government shutdown deal or late-breaking news by March 31, traders anticipate minimal volatility in odds. Primaries loom as the next catalyst.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour$292,998 Vol.
↑ 60 %
<1%
↑ 50 %
<1%
↑ 40 %
<1%
↑ 30 %
1%
↓ 10 %
2%
$292,998 Vol.
↑ 60 %
<1%
↑ 50 %
<1%
↑ 40 %
<1%
↑ 30 %
1%
↓ 10 %
2%
A tie in the number of minutes will not suffice.
The resolution source will be the underlying minute-level price data for 'Republican Party' in the "Which party will win the House in 2026?" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-house-election-republican-odds-over-40-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.
Note: This market will resolve according to the price scoring methodology of derivative.polymarket.com.
Marché ouvert : Dec 3, 2025, 6:50 PM ET
Resolver
0x65070BE91...A tie in the number of minutes will not suffice.
The resolution source will be the underlying minute-level price data for 'Republican Party' in the "Which party will win the House in 2026?" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-house-election-republican-odds-over-40-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.
Note: This market will resolve according to the price scoring methodology of derivative.polymarket.com.
Resolver
0x65070BE91...Republican House control odds for the 2026 midterms reflect trader consensus on historical midterm penalties for the president's party, which has lost seats in nearly every cycle over the past century, compounded by Democrats' persistent leads in recent generic ballot polls like Rasmussen's 45-42 Democrat edge as of March 26 and Fox News' 52-46 spread. A wave of over 35 GOP retirements, including Missouri Rep. Sam Graves' recent announcement, has tilted early Cook Political Report and Sabato's Crystal Ball ratings toward a narrow Republican edge with 10 tossups vulnerable in battleground districts. President Trump's approval hit a new low of 36% amid Iran conflict escalation, surging fuel prices, and partisan divides, fracturing the GOP base; absent a government shutdown deal or late-breaking news by March 31, traders anticipate minimal volatility in odds. Primaries loom as the next catalyst.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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