theorypedia

The 2026 US Midterm Elections

Status
Tracking · Resolves Nov 3, 2026
Event began
Nov 3, 2026
Theories tracked
9
Last updated
Jul 18, 2026, 8:00 PM

Prediction Market Signal

  • Democrats control the House after the midterms?

    85%▼ −1 pts 24h

    Yes 84.5¢ · No 15.5¢

    since Jan 2026

    via Polymarket ↗

    $4,751,438 traded

  • Democrats control the Senate after the midterms?

    44%▼ −2 pts 24h

    Yes 43.5¢ · No 56.5¢

    since Jan 2026

    via Polymarket ↗

    $1,801,445 traded

Markets price outcomes. The Plausibility Index™ ranks explanations.

Plausibility Over Time
The Trump-only coalition doesn't transfer
The midterm is a referendum on the president
It's a cost-of-living referendum
The map mutes the wave
The specials are the signal
Trump's endorsements are selecting weaker general-election candidates
The specials are an artifact
The polls understate Republicans again
The realignment is durable
Latest Developments

BREAKING: Democratic challenger backs out of 2026 House race ahead of primary https://tinyurl ...

Cook Political Report shifting key races toward Democrats before a single 2026 vote is cast — does early momentum predict midterm outcomes or just shape them?

facebook.comPoliticsSociology
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Appeals court allows USPS to move forward with Trump's anti-mail voting order, for now

A Trump-backed USPS rule that could restrict mail voting in 2026 just cleared a key court hurdle — raising the question of who controls election access.

democracydocket.comPoliticsSociology
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Trump's questionable claims cast doubt over midterms as Dems fret - Roll Call

Trump's primetime address revived unfounded 2020 conspiracy theories — and now Democrats worry those claims could reshape the 2022 midterm landscape.

rollcall.comPoliticsPsychology
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Trump sows doubt about election integrity four months before the midterms - NBC News

Four months before the midterms, Trump used a White House address to revive 2020 election fraud claims — raising the question of whether doubt, not evidence, is the real political tool.

nbcnews.comPoliticsPsychology
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New poll shows promise and peril for Democrats in key Georgia races - AJC.com

Georgia's swing-state status is pulling out-of-state politicians into its 2026 midterm races — and a new poll shows Democrats facing both openings and real dangers.

ajc.comPolitics
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Dem turnout in Nebraska's primary exceeded Republican for the first time in more than 30 years

Nebraska Democrats outvoted Republicans in a primary for the first time in 30 years — is a 10,000-voter registration drive reshaping a deep-red state?

nebraskaexaminer.comPoliticsSociology
Politics
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Trump's championing of debunked vote conspiracies casts shadow over midterms - Reuters

Trump's repeated promotion of debunked 2020 vote conspiracies is now casting a measurable shadow over midterm elections, raising the question of how false beliefs reshape real political behavior.

reuters.comPoliticsPsychologySociology
Politics
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Georgia senators slam Trump ahead of primetime election speech - NewsNation

Georgia senators calling Trump a "liar, cheater, and fraud" right before his election-integrity speech — does attacking the messenger neutralize the message?

newsnationnow.comPoliticsPsychology
Politics
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How ICE policy changes could impact the 2026 midterm elections - CBS News

ICE enforcement shifts could redraw the 2026 midterm map — but whether crackdowns energize one base or alienate swing voters is the open question.

cbsnews.comPoliticsSociology
The midterm is a referendum on the president
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Dems Rally Around a Former Republican in Key Arizona House Race - The Intercept

Democrats are rallying behind a former Republican in a key Arizona House race — raising the question of whether party loyalty or candidate pragmatism wins swing seats.

theintercept.comPoliticsSociology
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