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

In the upcoming MLB game, scheduled for August 21 at 7:15PM ET:
If the Boston Red Sox win, the market will resolve to “Red Sox”.
If the New York Yankees win, the market will resolve to “Yankees”.
If the game is postponed, this market will remain open until the game has been completed.
If the game is canceled entirely, with no make-up game, this market will resolve 50-50.
To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game.

Red Sox vs. Yankees

In the upcoming MLB game, scheduled for August 21, 7:15PM ET:

This market will resolve to “Over” if the Boston Red Sox and New York Yankees combine to score 9 or more runs in this game.

If the combined total is less than 9, this market will resolve to “Under”.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50–50.

To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game.

This market will resolve according to the official final score published on MLB.com regardless of the number of innings completed.

In the upcoming MLB game, scheduled for August 21, 7:15PM ET:

This market will resolve to “Yes” if the Yankees win the game by 2 or more runs.

Otherwise, this market will resolve to “No”.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50–50.

To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game.

This market will resolve according to the official final score published on MLB.com regardless of the number of innings completed.

Moneyline
$488.8k Vol.

Spreads
$1.2k Vol.

Totals
$5.1k Vol.

Moneyline
$488.8k Vol.

Spreads
$1.2k Vol.

Totals
$5.1k Vol.

Moneyline
$488.8k Vol.

Spreads
$1.2k Vol.

Totals
$5.1k Vol.

MLB

Yankees vs. Red Sox Betting Odds & Predictions (Aug. 21, 2025) | Polymarket

Moneyline$488.8k Vol.

Spreads$1.2k Vol.

Totals$5.1k Vol.

Moneyline$488.8k Vol.

Spreads$1.2k Vol.

Totals$5.1k Vol.

Moneyline$488.8k Vol.

Spreads$1.2k Vol.

Totals$5.1k Vol.

MLB

Moneyline
$488.8k Vol.

Spreads
$1.2k Vol.

Totals
$5.1k Vol.

Moneyline
$488.8k Vol.

Spreads
$1.2k Vol.

Totals
$5.1k Vol.

Moneyline
$488.8k Vol.

Spreads
$1.2k Vol.

Totals
$5.1k Vol.