Senate Midterms Predictions & Odds· 109 markets

W
Which party will win the Senate in 2026?

Which party will win the Senate in 2026?

66%

Democratic Party

$5.0m Vol.
$1.1m Liq.
🔥$50k today
149
Ends in 3 months
W
Which party will win the House in 2026?

Which party will win the House in 2026?

94%

Democratic Party

$12.2m Vol.
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🔥$105k today
1
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R
Republicans win Trifecta with Senate Supermajority in midterms?

2%

Yes

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10
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H
How many Senate and House seats will Republicans have after the midterms?

34%

47–49 and 193–207

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3
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B
Balance of Power: 2026 Midterms

Balance of Power: 2026 Midterms

66%

Democrats Sweep

$13.5m Vol.
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304
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D
Dems' best tossup Senate race?

Dems' best tossup Senate race?

42%

Michigan

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G
GOP's worst Great Plains Senate Race (IA, NE, KS)?

70%

Iowa

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W
Which Senate races will be within 5%?

Which Senate races will be within 5%?

76%

Texas

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W
Which Senate races will be within 1%?

Which Senate races will be within 1%?

23%

Iowa

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C
Closest Senate Race?

Closest Senate Race?

14%

Texas

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F
First Round Outright Winner in the Georgia Senate Election?

96%

Yes

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W
Which party will win young men in the midterms?

75%

Democrats

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B
Blue wave in 2026?

Blue wave in 2026?

88%

Yes

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B
Blue tsunami in 2026?

Blue tsunami in 2026?

54%

Yes

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2
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W
Will Republicans lose a seat in the US Senate for any state Trump won in 2024?

98%

Yes

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2
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R
Republican Senate seats after the 2026 midterm elections?

40%

≤47

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11
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W
Will Democrats win all "core four" senate races?

62%

Yes

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1
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R
Republicans favored to win the Senate on Nate Silver's Bulletin by...?

25%

October 31

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I
Illinois Senate Election: Turnout

Illinois Senate Election: Turnout

39%

4.25M-4.5M

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W
Will any US Federal or Statewide Midterm Election be within 0.01%?

25%

Yes

$10 Vol.
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