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Republican Senate Primary predictions & odds

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Which party will win the Senate in 2026?

Which party will win the Senate in 2026?

56%

Republican Party

$3M Vol.

$376K Liq.

70

Ends in 5 months

Which party will win the House in 2026?

Which party will win the House in 2026?

83%

Democratic Party

$7M Vol.

$690K Liq.

1

Ends in 5 months

Georgia Republican Senate Primary Winner

Georgia Republican Senate Primary Winner

98%

Mike Collins

$771K Vol.

$120K Liq.

4

Virginia Republican Senate Primary Winner

Virginia Republican Senate Primary Winner

70%

Bert Mizusawa

$2M Vol.

$109K Liq.

5

Ends in about 9 hours

Alabama Republican Senate Primary Winner

Alabama Republican Senate Primary Winner

84%

Barry Moore

$404K Vol.

$58.8K Liq.

1

Louisiana Republican Senate Primary Winner

Louisiana Republican Senate Primary Winner

95%

Julia Letlow

$395K Vol.

$136K Liq.

7

Minnesota Republican Senate Primary Winner

Minnesota Republican Senate Primary Winner

93%

Michele Tafoya

$90.4K Vol.

$50.9K Liq.

Ends in about 2 months

South Carolina Senate Republican Primary: First Round Margin of Victory

South Carolina Senate Republican Primary: First Round Margin of Victory

100%

Graham 20–30%

$13.4K Vol.

$12.5K Liq.

1

Florida Republican Senate Primary Winner

Florida Republican Senate Primary Winner

98%

Ashley B. Moody

$16.9K Vol.

$29.6K Liq.

Ends in 2 months

Colorado Republican Senate Primary Winner

Colorado Republican Senate Primary Winner

98%

Mark Baisley

$27.6K Vol.

$10.7K Liq.

Ends in 14 days

New Hampshire Republican Senate Primary Winner

New Hampshire Republican Senate Primary Winner

95%

John E. Sununu

$7.9K Vol.

$20.9K Liq.

Ends in 3 months

Rhode Island Republican Senate Primary Winner

Rhode Island Republican Senate Primary Winner

90%

Raymond McKay

$18.4K Vol.

$24.5K Liq.

1

Ends in 3 months

Michigan Republican Senate Primary Winner

Michigan Republican Senate Primary Winner

96%

Mike Rogers

$9.2K Vol.

$15.8K Liq.

Ends in about 2 months

Oklahoma Republican Senate Primary Winner

Oklahoma Republican Senate Primary Winner

99%

Kevin Hern

$78.6K Vol.

$39.0K Liq.

Ends in about 9 hours

Georgia Senate Republican Primary Runoff Margin of Victory

Georgia Senate Republican Primary Runoff Margin of Victory

78%

Collins 15–20%

$142 Vol.

$9.0K Liq.

Delaware Republican Senate Primary Winner

Delaware Republican Senate Primary Winner

82%

Michael Katz

$32.9K Vol.

$270 Liq.

Ends in 3 months

How many Republican Senate Incumbents will not win their Primary?

How many Republican Senate Incumbents will not win their Primary?

86%

2

$7.2K Vol.

$17.4K Liq.

MN-02 Republican Primary Winner

MN-02 Republican Primary Winner

98%

Eric Pratt

$24.0K Vol.

$3.8K Liq.

Ends in about 2 months

Rhode Island Democratic Senate Primary Winner

Rhode Island Democratic Senate Primary Winner

96%

Jack Reed

$10.5K Vol.

$11.8K Liq.

Ends in 3 months

Florida Democratic Senate Primary Winner

Florida Democratic Senate Primary Winner

96%

Alexander Vindman

$143K Vol.

$27.2K Liq.

Ends in 2 months

Frequently Asked Questions

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Polymarket currently hosts 117 active markets for Republican Senate Primary 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 $14.5M in trading volume, providing a comprehensive view of fan and investor sentiment.

Each polymarket is a yes/no question. 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 83% 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 Republican Senate Primary 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.