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

The 2026 Australian Open is set to take place from January 18 - February 1, 2026.

This market will resolve to the player that wins the 2026 Australian Open Men’s Singles Tournament.

If at any point it becomes impossible for a listed player to win the 2026 Australian Open Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”.

If the 2026 Australian Open Men’s Singles Tournament is cancelled, postponed after February 28, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”.

The primary resolution source will be official information from the Australian Open (https://ausopen.com/); however, a consensus of credible reporting may also be used.

2026 Men's Australian Open Winner

The 2026 French Open is scheduled for May 18 - June 7, 2026.

This market will resolve to the player that wins the 2026 French Open Men’s Singles Tournament.

If at any point it becomes impossible for a listed player to win the 2026 French Open Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”.

If the 2026 French Open Men’s Singles Tournament is cancelled, postponed after July 31, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”.

The primary resolution source will be official information from the French Open (https://www.rolandgarros.com/en-us/); however, a consensus of credible reporting may also be used.

2026 Men's French Open Winner

Wimbledon 2026 is scheduled for June 29 - July 12, 2026.

This market will resolve to the player that wins the 2026 Wimbledon Men’s Singles Tournament.

If at any point it becomes impossible for a listed player to win the 2026 Wimbledon Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”.

If the 2026 Wimbledon Men’s Singles Tournament is cancelled, postponed after August 31, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”.

The primary resolution source will be official information from Wimbledon (https://www.wimbledon.com/index.html); however, a consensus of credible reporting may also be used.

2026 Men’s Wimbledon Winner

The 2026 U.S. Open tennis tournament is scheduled for August 23 - September 13, 2026.

This market will resolve to the player that wins the 2026 U.S. Open Men’s Singles Tournament.

If at any point it becomes impossible for a listed player to win the 2026 U.S. Open Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”.

If the 2026 U.S. Open Men’s Singles Tournament is cancelled, postponed after October 31, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”.

The primary resolution source will be official information from the U.S. Open (https://www.usopen.org/index.html); however, a consensus of credible reporting may also be used.

2026 Men’s US Open Winner (Tennis)

This is a market to predict who will win a men's tennis Calendar Grand Slam in 2026.

This market resolves to the single male player who wins the Men’s Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Men’s Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.

For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.

If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Alcaraz does not win the 2026 Australian Open) this market will resolve immediately to "No". 

If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Alcaraz wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None". 

Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.

If any of the 2026 Grand Slam Men’s Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.

The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used. 

ATP prediction markets

ATP