How many Republican House Incumbents will not win their Primary?
House Races·Politics

How many Republican House Incumbents will not win their Primary?

40%

7-9

$40.3K Vol.

$2.6K Liq.

1

Republican House seats after the 2026 midterm elections?
House Races·Politics

Republican House seats after the 2026 midterm elections?

28%

Below 190

$8.1K Vol.

$69.9K Liq.

1

Ends in 8 months

How many Democratic House Incumbents will not win their Primary?
House Races·Politics

How many Democratic House Incumbents will not win their Primary?

45%

7-9

$0 Vol.

$302 Liq.

Balance of Power: 2026 Midterms
House Races·Politics

Balance of Power: 2026 Midterms

49%

Democrats Sweep

$4M Vol.

$140K today

$513K Liq.

125

Ends in 8 months

Republicans win Trifecta with Senate Supermajority in midterms?
House Races·Politics

Republicans win Trifecta with Senate Supermajority in midterms?

3%

$54.3K Vol.

$13.4K Liq.

3

Ends in 8 months

2026 Midterms: House Turnout
House Races·Politics

2026 Midterms: House Turnout

37%

85-90m

$0 Vol.

$20.5K Liq.

Ends in 8 months

OR-02 House Election Winner
House Races·Politics

OR-02 House Election Winner

91%

Republican Party

$0 Vol.

$21.9K Liq.

Ends in 8 months

OR-01 House Election Winner
House Races·Politics

OR-01 House Election Winner

93%

Democratic Party

$0 Vol.

$27.9K Liq.

Ends in 8 months

OR-05 House Election Winner
House Races·Politics

OR-05 House Election Winner

81%

Democratic Party

$0 Vol.

$491 Liq.

Ends in 8 months

OR-06 House Election Winner
House Races·Politics

OR-06 House Election Winner

91%

Democratic Party

$0 Vol.

$26.3K Liq.

Ends in 8 months

OR-03 House Election Winner
House Races·Politics

OR-03 House Election Winner

94%

Democratic Party

$0 Vol.

$24.1K Liq.

Ends in 8 months

IN-08 House Election Winner
House Races·Politics

IN-08 House Election Winner

94%

Republican Party

$0 Vol.

$25.0K Liq.

Ends in 8 months

OR-04 House Election Winner
House Races·Politics

OR-04 House Election Winner

90%

Democratic Party

$0 Vol.

$19.9K Liq.

Ends in 8 months

IN-05 House Election Winner
House Races·Politics

IN-05 House Election Winner

85%

Republican Party

$0 Vol.

$20.0K Liq.

Ends in 8 months

IN-02 House Election Winner
House Races·Politics

IN-02 House Election Winner

91%

Republican Party

$0 Vol.

$21.9K Liq.

Ends in 8 months

MD-05 House Election Winner
House Races·Politics

MD-05 House Election Winner

93%

Democratic Party

$0 Vol.

$20.5K Liq.

Ends in 8 months

IN-09 House Election Winner
House Races·Politics

IN-09 House Election Winner

91%

Republican Party

$0 Vol.

$19.7K Liq.

Ends in 8 months

IN-01 House Election Winner
House Races·Politics

IN-01 House Election Winner

19%

Republican Party

$0 Vol.

$584 Liq.

Ends in 8 months

MN-05 House Election Winner
House Races·Politics

MN-05 House Election Winner

94%

Democratic Party

$0 Vol.

$24.3K Liq.

Ends in 8 months

TX-05 House Election Winner
House Races·Politics

TX-05 House Election Winner

90%

Republican Party

$0 Vol.

$22.5K Liq.

Ends in 8 months

Frequently Asked Questions

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Polymarket currently hosts 109 active markets for House Races that lets you track or trade on predictions like “How many Republican House Incumbents will not win their Primary? ”. Whether you are tracking widely debated events or niche outcomes, the platform aggregates real-time odds based on over $3.7M in trading volume, providing a comprehensive view of fan and investor sentiment.

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As of today, the most active market is “Balance of Power: 2026 Midterms,” where the crowd is currently assigning a 49% chance to Democrats Sweep. These odds update in real-time as new information emerges and users trade, offering a dynamic snapshot of what the market believes will happen compared to traditional bookmaker odds.

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