Market icon

NCAA Tournament: National Champion Seed

Market icon

NCAA Tournament: National Champion Seed

9 93%

13 92%

14 92%

12 91%

Polymarket
NEW

9 93%

13 92%

14 92%

12 91%

Polymarket
NEW

1

$408 Vol.

45%

2

$0 Vol.

45%

3

$0 Vol.

18%

4

$50 Vol.

33%

5

$0 Vol.

30%

6

$0 Vol.

34%

7

$0 Vol.

16%

8

$0 Vol.

25%

9

$0 Vol.

93%

10

$0 Vol.

86%

11

$0 Vol.

86%

12

$0 Vol.

91%

13

$0 Vol.

92%

14

$0 Vol.

92%

15

$0 Vol.

89%

16

$0 Vol.

85%

This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.

This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No".

If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”.

The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.
Volume
$458
End Date
Apr 7, 2026
Market Opened
Mar 18, 2026, 4:17 PM ET
This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.
This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.This market will resolve to "Yes" if the seed number of the 2026 Men's Basketball NCAA Tournament champion equals the listed number. Otherwise, this market will resolve to "No". If the 2026 Men’s Basketball NCAA Tournament is cancelled, postponed after April 30, 2026, 11:59 PM ET, or there is otherwise no champion declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from the NCAA; however, a consensus of credible reporting may also be used.

Tight clustering of implied probabilities near 47-48% for seeds 9, 14, 12, and 15 underscores extreme parity in the NCAA Tournament's late rounds, driven by a wave of upsets that sidelined multiple top-4 seeds early. Recent Sweet 16 and Elite Eight shocks, including double-digit seeds like NC State (11-seed) advancing to the Final Four alongside survivors like Alabama (4), have erased traditional hierarchies, leaving a field where midseeds boast comparable title pedigree through hot streaks and favorable matchups. Historical trends favor 1-4 seeds in 92% of championships, yet trader consensus prices in upset momentum, rest edges, and bracket quirks keeping the national champion seed race wide open among underdogs.

Experimental AI-generated summary referencing Polymarket data · Updated

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Frequently Asked Questions

"NCAA Tournament: National Champion Seed" is a prediction market on Polymarket with 16 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "9" at 47%, followed by "1" at 46%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 47¢ implies that the market collectively assigns a 47% 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.

"NCAA Tournament: National Champion Seed" is a newly created market on Polymarket, launched on Mar 18, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "NCAA Tournament: National Champion Seed," browse the 16 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 "NCAA Tournament: National Champion Seed" is "9" at 47%, meaning the market assigns a 47% chance to that outcome. The next closest outcome is "1" at 46%. 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 "NCAA Tournament: National Champion Seed" 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.