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Elections·Senate

Next Senate Majority Leader?

Market icon
Elections·Senate

Next Senate Majority Leader?

John Thune 23%

Chuck Schumer 18%

Lindsey Graham 5.5%

Brian Schatz 5%

Polymarket

$28,877 Vol.

John Thune 23%

Chuck Schumer 18%

Lindsey Graham 5.5%

Brian Schatz 5%

Polymarket

$28,877 Vol.

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John Thune

$266 Vol.

35%

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Chuck Schumer

$275 Vol.

18%

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Lindsey Graham

$8,314 Vol.

6%

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Brian Schatz

$347 Vol.

5%

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Cory Booker

$405 Vol.

5%

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John Barrasso

$297 Vol.

5%

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Tom Cotton

$192 Vol.

5%

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Amy Klobuchar

$53 Vol.

16%

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Steve Daines

$18,011 Vol.

4%

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Mark Kelly

$629 Vol.

4%

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Patty Murray

$87 Vol.

4%

This market will resolve according to the individual who is announced as the next Senate Majority Leader after the November 3, 2026, U.S. General Election. This market will remain open until January 3, 2027, at which point it will resolve based on the first announcement of the next Senate Majority Leader from whichever party holds the majority in the U.S. Senate. If no Majority is established and a leader is not announced by June 30, 2027, 11:59 PM ET, this market will resolve to “Other”.Republicans' 53-47 Senate majority under Majority Leader John Thune drives his 35% trader consensus as the post-2026 election favorite, reflecting a structurally advantageous map with fewer vulnerable seats amid historical midterm headwinds for President Trump's party. Democratic Leader Chuck Schumer at 17.5% and elevated caucus chair Amy Klobuchar at 16.4% capture bets on a narrow flip via key battlegrounds, bolstered by Klobuchar's recent promotion in party leadership ranks. Over the past week, Thune's "last and final" funding offers amid DHS shutdown threats have reinforced his steady hand without sparking challenges, while early Cook Political ratings flag eight competitive races as pivotal to control ahead of November balloting.

Republicans' 53-47 Senate majority under Majority Leader John Thune drives his 35% trader consensus as the post-2026 election favorite, reflecting a structurally advantageous map with fewer vulnerable seats amid historical midterm headwinds for President Trump's party. Democratic Leader Chuck Schumer at 17.5% and elevated caucus chair Amy Klobuchar at 16.4% capture bets on a narrow flip via key battlegrounds, bolstered by Klobuchar's recent promotion in party leadership ranks. Over the past week, Thune's "last and final" funding offers amid DHS shutdown threats have reinforced his steady hand without sparking challenges, while early Cook Political ratings flag eight competitive races as pivotal to control ahead of November balloting.

Experimental AI-generated summary referencing Polymarket data · Updated
This market will resolve according to the individual who is announced as the next Senate Majority Leader after the November 3, 2026, U.S. General Election. This market will remain open until January 3, 2027, at which point it will resolve based on the first announcement of the next Senate Majority Leader from whichever party holds the majority in the U.S. Senate. If no Majority is established and a leader is not announced by June 30, 2027, 11:59 PM ET, this market will resolve to “Other”.Republicans' 53-47 Senate majority under Majority Leader John Thune drives his 35% trader consensus as the post-2026 election favorite, reflecting a structurally advantageous map with fewer vulnerable seats amid historical midterm headwinds for President Trump's party. Democratic Leader Chuck Schumer at 17.5% and elevated caucus chair Amy Klobuchar at 16.4% capture bets on a narrow flip via key battlegrounds, bolstered by Klobuchar's recent promotion in party leadership ranks. Over the past week, Thune's "last and final" funding offers amid DHS shutdown threats have reinforced his steady hand without sparking challenges, while early Cook Political ratings flag eight competitive races as pivotal to control ahead of November balloting.

Republicans' 53-47 Senate majority under Majority Leader John Thune drives his 35% trader consensus as the post-2026 election favorite, reflecting a structurally advantageous map with fewer vulnerable seats amid historical midterm headwinds for President Trump's party. Democratic Leader Chuck Schumer at 17.5% and elevated caucus chair Amy Klobuchar at 16.4% capture bets on a narrow flip via key battlegrounds, bolstered by Klobuchar's recent promotion in party leadership ranks. Over the past week, Thune's "last and final" funding offers amid DHS shutdown threats have reinforced his steady hand without sparking challenges, while early Cook Political ratings flag eight competitive races as pivotal to control ahead of November balloting.

Experimental AI-generated summary referencing Polymarket data · Updated

Related

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Will the Republican Party hold 47 or fewer Senate seats after the 2026 midterm elections?

26%
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2026 Balance of Power: D Senate, D House

49%
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Republicans win Trifecta with Senate Supermajority in midterms?

2%

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Frequently Asked Questions

"Next Senate Majority Leader?" is a prediction market on Polymarket with 11 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "John Thune" at 35%, followed by "Chuck Schumer" at 18%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 35¢ implies that the market collectively assigns a 35% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Next Senate Majority Leader?" has generated $28.9K in total trading volume since the market launched on Mar 23, 2026. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Next Senate Majority Leader?," browse the 11 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Next Senate Majority Leader?" is "John Thune" at 35%, meaning the market assigns a 35% chance to that outcome. The next closest outcome is "Chuck Schumer" at 18%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Next Senate Majority Leader?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.