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Senate predictions & odds

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Which party will win the Senate in 2026?

Which party will win the Senate in 2026?

54%

Republican Party

$2M Vol.

$261K Liq.

49

Ends in 6 months

Which party will win the House in 2026?

Which party will win the House in 2026?

79%

Democratic Party

$6M Vol.

$73.7K today

$548K Liq.

1

Ends in 6 months

Republican Senate seats after the 2026 midterm elections?

Republican Senate seats after the 2026 midterm elections?

26%

≤47

$2M Vol.

$238K Liq.

7

How many Republican Senate Incumbents will not win their Primary?

How many Republican Senate Incumbents will not win their Primary?

38%

1

$4.8K Vol.

$13.2K Liq.

How many Democratic Senate Incumbents will not win their Primary?

How many Democratic Senate Incumbents will not win their Primary?

69%

0

$4.7K Vol.

$4.6K Liq.

Texas Senate Election Matchup

Texas Senate Election Matchup

61%

Talarico & Paxton

$721K Vol.

$37.4K Liq.

2

Next Brazil Senate Election: Most Seats Won

Next Brazil Senate Election: Most Seats Won

81%

PL

$254K Vol.

$58.0K Liq.

9

Ends in 5 months

Next Brazil Senate Election: Most Seats Held

Next Brazil Senate Election: Most Seats Held

76%

PL

$13.9K Vol.

$36.7K Liq.

2

Ends in 5 months

Turnout in Texas Senate Republican Primary Runoff

Turnout in Texas Senate Republican Primary Runoff

50%

1.8–2.1M

$88.7K Vol.

$31.3K Liq.

Ends in 12 days

Alaska Senate Election Winner

Alaska Senate Election Winner

56%

Mary Peltola

$319K Vol.

$54.9K Liq.

9

Ends in 6 months

Will Democrats win all "core four" senate races?

Will Democrats win all "core four" senate races?

60%

$4.0K Vol.

$4.4K Liq.

Ends in 6 months

Will Republicans lose a seat in the US Senate for any state Trump won in 2024?

Will Republicans lose a seat in the US Senate for any state Trump won in 2024?

86%

$2.7K Vol.

$8.3K Liq.

2

Ends in 6 months

Florida Senate Election Winner

Florida Senate Election Winner

85%

Republican

$36.8K Vol.

$21.5K Liq.

3

Illinois Senate Election Winner

Illinois Senate Election Winner

89%

Democrat

$24.6K Vol.

$3.0K Liq.

1

Ends in 6 months

Oregon Senate Election Winner

Oregon Senate Election Winner

92%

Democrat

$4.1K Vol.

$17.0K Liq.

1

Ends in 6 months

West Virginia Senate Election Winner

West Virginia Senate Election Winner

92%

Republican

$9.8K Vol.

$10.7K Liq.

Ends in 6 months

North Carolina Senate Election Winner

North Carolina Senate Election Winner

82%

Democrat

$57.4K Vol.

$12.2K Liq.

2

Ends in 6 months

Wyoming Senate Election Winner

Wyoming Senate Election Winner

95%

Republican

$9.2K Vol.

$21.7K Liq.

2

Ends in 6 months

Texas Senate Election Winner

Texas Senate Election Winner

55%

Republican

$202K Vol.

$44.3K Liq.

10

Ends in 6 months

Peru Senate Election Winner

Peru Senate Election Winner

100%

FP

$94.8K Vol.

$35.6K Liq.

6

Frequently Asked Questions

Polymarket is the world’s largest prediction market, where you can stay informed and profit from your knowledge by trading on things related to breaking news, politics, sports, elections, crypto, finance, tech, culture, including topics like Senate.

Polymarket currently hosts 107 active markets for Senate that lets you track or trade on predictions like “Which party will win the Senate in 2026?”. Whether you are tracking widely debated events or niche outcomes, the platform aggregates real-time odds based on over $12.7M in trading volume, providing a comprehensive view of fan and investor sentiment.

Each polymarket is a yes/no question, like “Will Republicans lose a seat in the US Senate for any state Trump won in 2024?”. You buy shares in “yes” or “no” outcomes. Prices reflect crowd-sourced odds and probabilities. For example, if yes is at 30 cents, that’s a 30% chance. Markets resolve based on official results. For multi-outcome events, like “Which party will win the House in 2026?,” you simply trade on the specific outcome you think will win.

As of today, the most active market is “Which party will win the House in 2026?,” where the crowd is currently assigning a 79% chance to Democratic Party. 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.

It cuts through the noise. Unlike polls or punditry, Polymarket shows you real-time odds on Senate predictions backed by financial conviction that are often faster and more accurate than experts or surveys. You get an unbiased view of what thousands of traders think will actually happen, often more accurate than polls. Plus, you can trade shares and potentially profit if your predictions are spot on.