Use the internal polymarket geolocation service.

poly_geo

Improved notification preferences and types.

notifications_v2

funkit_deposit

funkit_withdraw

authenticated_book_ws

Improved in-game view for sports markets.

mobile_sports_overlay_v2

async_order_submission

Enable updates from the sports websocket.

sports_websocket

This is a group of prop markets for 2023 March Madness.

2023 NCAA March Madness will be played from March 14 to April 3.

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if any #1 seed becomes the winner of the 2023 March Madness tournament. Otherwise, this market will resolve to "No".

This market may immediately resolve to "No" if it becomes impossible for a #1 seed to win, based on the rules of the tournament.

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.

Will a #1 seed win?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if any 15 or 16 seed team wins in the first round (round of 64) of the 2023 March Madness tournament. Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.


Will any 15 or 16 seed win in the first round?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if more than 9.5 upsets occur in the first round (round of 64) of the 2023 March Madness tournament. Otherwise, this market will resolve to "No".

An "upset" is defined as a worse seed beating a better seed (e.g. a 10 seed beating a 1 seed, or a 9 seed beating an 8 seed).

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.


More than 9.5 first round upsets?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if the sum of the seeds of the final four teams in the 2023 March Madness tournament add up to a number greater than 10.5. Otherwise, this market will resolve to "No".

For example if the final four seeds were 1, 1, 4, 5, the market would resolve to "Yes" since 1+1+4+5=11 is greater than 10.5.

This market may immediately resolve to "No" if it becomes impossible for the sum to be greater than 10.5 based on the rules of the tournament.

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.

Sum of seeds in final four more than 10.5?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if a team from the East wins the 2023 March Madness Tournament. Otherwise, this market will resolve to "No".

This market may immediately resolve to "No" if it becomes impossible for a team from this region to win, based on the rules of the tournament. See the teams from each region here: https://www.ncaa.com/march-madness-live/bracket

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.


Team from East wins?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if a team from the South wins the 2023 March Madness Tournament. Otherwise, this market will resolve to "No".

This market may immediately resolve to "No" if it becomes impossible for a team from this region to win, based on the rules of the tournament. See the teams from each region here: https://www.ncaa.com/march-madness-live/bracket

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.


Team from South wins?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if a team from the West wins the 2023 March Madness Tournament. Otherwise, this market will resolve to "No".

This market may immediately resolve to "No" if it becomes impossible for a team from this region to win, based on the rules of the tournament. See the teams from each region here: https://www.ncaa.com/march-madness-live/bracket

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.


Team from West wins?

2023 NCAA March Madness will be played from March 14 to April 3.

This market will resolve to "Yes" if a team from the Midwest wins the 2023 March Madness Tournament. Otherwise, this market will resolve to "No".

This market may immediately resolve to "No" if it becomes impossible for a team from this region to win, based on the rules of the tournament. See the teams from each region here: https://www.ncaa.com/march-madness-live/bracket

The primary resolution source for this market will be official information from NCAA (https://www.ncaa.com/march-madness-live/bracket), however other credible reporting may be used.


Team from Midwest wins?

March Madness Props

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.

Will Michigan win the 2026 NCAA Tournament?

This market will resolve according to the team that wins the 2025-2026 ACC Men's Basketball Regular Season Championship.

If two or more teams tie for the regular season championship, this market will resolve according to the team which receives a higher seed for the 2026 ACC Men's Basketball conference tournament.

If at any point it becomes impossible for a team to win the 2025-2026 ACC Men's Basketball Regular Season Championship based on the rules of the ACC or NCAA (e.g., they are mathematically eliminated), the corresponding market will immediately resolve to "No" for that team.

If for any reason no 2025-2026 ACC Men's Basketball regular season champion is declared by April 31, 2026, 11:59 PM ET, this market will resolve to "Other".

Official resolution will be based on the ACC’s official Men's Basketball results, as published on theacc.com or NCAA.com, however a consensus of credible reporting may also be used.

Will North Carolina win the 2025-2026 ACC Men’s Basketball regular season championship?

This market will resolve according to the team that wins the 2026 NCAA Women’s Basketball Tournament.

If it becomes impossible for a team to win the 2026 NCAA Women’s Basketball Tournament according to the rules of the competition (i.e., the team is 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.

Will South Carolina (Women’s) win the 2025–2026 SEC Regular Season?

This market will resolve according to the team that wins the 2025-2026 Big 10 Men's Basketball Regular Season Championship.

If two or more teams tie for the regular season championship, this market will resolve according to the team which receives a higher seed for the 2026 Big 10 Men's Basketball conference tournament.

If at any point it becomes impossible for a team to win the 2025-2026 Big 10 Men's Basketball Regular Season Championship based on the rules of the Big 10 or NCAA (e.g., they are mathematically eliminated), the corresponding market will immediately resolve to "No" for that team.

If for any reason no 2025-2026 Big 10 Men's Basketball regular season champion is declared by April 31, 2026, 11:59 PM ET, this market will resolve to "Other".

Official resolution will be based on the Big 10's official Men's Basketball results, as published on bigten.org or NCAA.com, however a consensus of credible reporting may also be used.

Will Purdue win the 2025-2026 Big 10 Men's Basketball regular season championship?

This market will resolve according to the team that wins the 2025-2026 Big East Men's Basketball Regular Season Championship.

If two or more teams tie for the regular season championship, this market will resolve according to the team which receives a higher seed for the 2026 Big East Men's Basketball conference tournament.

If at any point it becomes impossible for a team to win the 2025-2026 Big East Men's Basketball Regular Season Championship based on the rules of the Big East or NCAA (e.g., they are mathematically eliminated), the corresponding market will immediately resolve to "No" for that team.

If for any reason no 2025-2026 Big East Men's Basketball regular season champion is declared by April 31, 2026, 11:59 PM ET, this market will resolve to "Other".

Official resolution will be based on the Big East’s official Men's Basketball results, as published on bigeast.com or NCAA.com, however a consensus of credible reporting may also be used.

Will UConn win the 2025-2026 Big East Men’s Basketball regular season championship?

This market will resolve according to the listed player who wins the Naismith College Player of the Year Award for the 2025-2026 Men’s NCAA division 1 basketball season.

If the listed player is not included as a semifinalist or finalist for the Naismith College Player of the Year Award, this market will resolve to “No”.

If no winner is announced by May 31, 2026, 11:59 PM ET, this market will resolve to “Other”.

The primary source of resolution for this market will be official information from the Naismith Awards organizers (https://naismithtrophy.com/); however, a consensus of credible reporting may also be used.

Will Cameron Boozer win the 2025-2026 Naismith Men's College Player of the Year Award?

This market will resolve according to the team that wins the 2025-2026 Big 12 Men's Basketball Regular Season Championship.

If two or more teams tie for the regular season championship, this market will resolve according to the team which receives a higher seed for the 2026 Big 12 Men's Basketball conference tournament.

If at any point it becomes impossible for a team to win the 2025-2026 Big 12 Men's Basketball Regular Season Championship based on the rules of the Big 12 or NCAA (e.g., they are mathematically eliminated), the corresponding market will immediately resolve to "No" for that team.

If for any reason no 2025-2026 Big 12 Men's Basketball regular season champion is declared by April 31, 2026, 11:59 PM ET, this market will resolve to "Other".

Official resolution will be based on the Big 12’s official Men's Basketball results, as published on big12sports.com or NCAA.com, however a consensus of credible reporting may also be used.

Will BYU win the 2025-2026 Big 12 Men's Basketball regular season championship?

This market will resolve according to the team that wins the 2025-2026 SEC Men's Basketball Regular Season Championship.

If two or more teams tie for the regular season championship, this market will resolve according to the team which receives a higher seed for the 2026 SEC Men's Basketball conference tournament.

If at any point it becomes impossible for a team to win the 2025-2026 SEC Men's Basketball Regular Season Championship based on the rules of the NCAA or SEC (e.g., they are mathematically eliminated), this market will immediately resolve to "No" for that team.

If for any reason no 2025-2026 SEC Men's Basketball regular season champion is declared by April 31, 2026, 11:59 PM ET, this market will resolve to "Other".

Official resolution will be based on the SEC’s official Men's Basketball results, as published on SECSports.com or NCAA.com, however a consensus of credible reporting may also be used.

March Madness Props

Will a #1 seed win?
$1,025 Vol.
No

Will any 15 or 16 seed win in the first round?
$5,928 Vol.
Yes

More than 9.5 first round upsets?
$357 Vol.
No

Sum of seeds in final four more than 10.5?
$25 Vol.
Yes

Team from East wins?
$16 Vol.
No

Team from South wins?
$0 Vol.
No

Team from West wins?
$67 Vol.
Yes

Team from Midwest wins?
$16 Vol.
No

Market Context

March Madness Props

Rules

March Madness Props

Market Context

March Madness Props

About

Related

March Madness Props

Will a #1 seed win?$1,025 Vol.Nocircle xmark

Will any 15 or 16 seed win in the first round?$5,928 Vol.Yescircle check

More than 9.5 first round upsets?$357 Vol.Nocircle xmark

Sum of seeds in final four more than 10.5?$25 Vol.Yescircle check

Team from East wins?$16 Vol.Nocircle xmark

Team from South wins?$0 Vol.Nocircle xmark

Team from West wins?$67 Vol.Yescircle check

Team from Midwest wins?$16 Vol.Nocircle xmark

Market Context

March Madness Props

Rules

March Madness Props

Market Context

March Madness Props

About

Related

Will a #1 seed win?
$1,025 Vol.
No

Will any 15 or 16 seed win in the first round?
$5,928 Vol.
Yes

More than 9.5 first round upsets?
$357 Vol.
No

Sum of seeds in final four more than 10.5?
$25 Vol.
Yes

Team from East wins?
$16 Vol.
No

Team from South wins?
$0 Vol.
No

Team from West wins?
$67 Vol.
Yes

Team from Midwest wins?
$16 Vol.
No