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

Show/hide language selector in navigation

language_selector

Auto-detect and redirect based on browser language

auto_locale_detection

This market will resolve to "Yes" if the MLB and MLBPA sign a a new collective bargaining agreement (CBA) by December 1, 2026, 11:59 PM ET. Otherwise this market will resolve to "No".

A new CBA will be considered ‘signed’ only when the final written agreement has been formally signed by authorized representatives of both the MLB and the MLB Players Association. Tentative agreements, ratifications, or agreements pending signature do not qualify.

The resolution source will be a consensus of credible reporting.

¿Nuevo CBA de la MLB para el 1 de diciembre?

This market will resolve according to the team that wins the 2026 MLB World Series. 

If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”.

If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, 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 MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

MLB World Series Champion 2026

This market will resolve to the team that wins the 2026 World Baseball Classic (WBC). 

If at any point it becomes impossible for a listed team to win the 2026 WBC per the rules of the tournament (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”.

If the 2026 WBC tournament is cancelled, postponed after March 31, 2026 ET, 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 tournament organizer (https://www.mlb.com/world-baseball-classic); however, a consensus of credible reporting may also be used.

MLB prediction markets

MLB