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Sports·NCAA

2026 NCAA Tournament Winner

Market icon
Sports·NCAA

2026 NCAA Tournament Winner

Arizona 27.4%

Michigan 24%

Duke 24%

Illinois 11.8%

Polymarket

$21,993,889 Vol.

Arizona 27.4%

Michigan 24%

Duke 24%

Illinois 11.8%

Polymarket

$21,993,889 Vol.

Arizona

$1,050,665 Vol.

27%

Michigan

$1,055,349 Vol.

24%

Duke

$913,122 Vol.

24%

Illinois

$1,281,757 Vol.

12%

Purdue

$3,283,669 Vol.

5%

Connecticut

$2,313,334 Vol.

5%

Tennessee

$1,071,886 Vol.

3%

Iowa

$948,587 Vol.

2%

Michigan State

$923,261 Vol.

<1%

Iowa State

$2,574,008 Vol.

<1%

This market will resolve according to the team that wins the 2026 NCAA Men’s Basketball Tournament. If it is impossible for a team to win the 2026 NCAA Men’s Basketball Tournament according to the rules of the competition (i.e. they are eliminated) , the corresponding market will immediately resolve to “No”. If for any reason no winner is declared by December 31, 2026, 11:59 PM ET, this market will resolve to "Other". The resolution source for this market will be information from the NCAA.Arizona, Michigan, and Duke hold the top spots as the only remaining No. 1 seeds in the 2026 NCAA Tournament after advancing through the Sweet 16 over the past 48 hours, with Duke edging St. John's 80-75, Michigan dominating Alabama 90-77, and Arizona handling Arkansas decisively. Their elite records—Duke at 34-2, Arizona 33-2, Michigan 31-3—combined with top-3 power rankings and favorable Elite Eight paths fuel trader consensus on a tight race, as no team has separated decisively amid balanced regional brackets. Illinois lingers as a strong Big Ten contender at 11.8% implied probability after key upsets elsewhere, while Purdue and UConn face steeper climbs from lower seeds despite solid form. Momentum, health, and Final Four matchups will dictate shifts.

Arizona, Michigan, and Duke hold the top spots as the only remaining No. 1 seeds in the 2026 NCAA Tournament after advancing through the Sweet 16 over the past 48 hours, with Duke edging St. John's 80-75, Michigan dominating Alabama 90-77, and Arizona handling Arkansas decisively. Their elite records—Duke at 34-2, Arizona 33-2, Michigan 31-3—combined with top-3 power rankings and favorable Elite Eight paths fuel trader consensus on a tight race, as no team has separated decisively amid balanced regional brackets. Illinois lingers as a strong Big Ten contender at 11.8% implied probability after key upsets elsewhere, while Purdue and UConn face steeper climbs from lower seeds despite solid form. Momentum, health, and Final Four matchups will dictate shifts.

Experimental AI-generated summary referencing Polymarket data · Updated
This market will resolve according to the team that wins the 2026 NCAA Men’s Basketball Tournament. If it is impossible for a team to win the 2026 NCAA Men’s Basketball Tournament according to the rules of the competition (i.e. they are eliminated) , the corresponding market will immediately resolve to “No”. If for any reason no winner is declared by December 31, 2026, 11:59 PM ET, this market will resolve to "Other". The resolution source for this market will be information from the NCAA.Arizona, Michigan, and Duke hold the top spots as the only remaining No. 1 seeds in the 2026 NCAA Tournament after advancing through the Sweet 16 over the past 48 hours, with Duke edging St. John's 80-75, Michigan dominating Alabama 90-77, and Arizona handling Arkansas decisively. Their elite records—Duke at 34-2, Arizona 33-2, Michigan 31-3—combined with top-3 power rankings and favorable Elite Eight paths fuel trader consensus on a tight race, as no team has separated decisively amid balanced regional brackets. Illinois lingers as a strong Big Ten contender at 11.8% implied probability after key upsets elsewhere, while Purdue and UConn face steeper climbs from lower seeds despite solid form. Momentum, health, and Final Four matchups will dictate shifts.

Arizona, Michigan, and Duke hold the top spots as the only remaining No. 1 seeds in the 2026 NCAA Tournament after advancing through the Sweet 16 over the past 48 hours, with Duke edging St. John's 80-75, Michigan dominating Alabama 90-77, and Arizona handling Arkansas decisively. Their elite records—Duke at 34-2, Arizona 33-2, Michigan 31-3—combined with top-3 power rankings and favorable Elite Eight paths fuel trader consensus on a tight race, as no team has separated decisively amid balanced regional brackets. Illinois lingers as a strong Big Ten contender at 11.8% implied probability after key upsets elsewhere, while Purdue and UConn face steeper climbs from lower seeds despite solid form. Momentum, health, and Final Four matchups will dictate shifts.

Experimental AI-generated summary referencing Polymarket data · Updated

Related

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Will UConn win the 2026 Women's NCAA Tournament?

70%
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Will Duke advance to the National Championship?

57%
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Will the 2026 Men's NCAA basketball National Champion come from the Big Ten conference?

49%

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Frequently Asked Questions

"2026 NCAA Tournament Winner" is a prediction market on Polymarket with 70+ possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Arizona" at 27%, followed by "Michigan" at 24%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 27¢ implies that the market collectively assigns a 27% 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, "2026 NCAA Tournament Winner" has generated $22 million in total trading volume since the market launched on Oct 31, 2025. 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 "2026 NCAA Tournament Winner," browse the 70+ 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 "2026 NCAA Tournament Winner" is "Arizona" at 27%, meaning the market assigns a 27% chance to that outcome. The next closest outcome is "Michigan" at 24%. 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 "2026 NCAA Tournament Winner" 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.