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 NBA game, scheduled for October 12 at 7:00PM ET:
If the Cavaliers win, the market will resolve to "Cavaliers".
If the Celtics win, the market will resolve to "Celtics".
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.

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Celtics" if the Celtics win the game by 6 or more points.

Otherwise, this market will resolve to "Cavaliers". If the game ends in a tie, this market will resolve to "Cavaliers".

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.

Spread -5.5

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Over" if the Cavaliers and Celtics combine to score 228 or more points in this game.

If the combined total is less than 228, 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.

O/U 227.5

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Over" if the Cavaliers and Celtics combine to score 230 or more points in this game.

If the combined total is less than 230, 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.

O/U 229.5

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Celtics" if the Celtics win the game by 5 or more points.

Otherwise, this market will resolve to "Cavaliers". If the game ends in a tie, this market will resolve to "Cavaliers".

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.

Spread -4.5

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Over" if the Cavaliers and Celtics combine to score 231 or more points in this game.

If the combined total is less than 231, 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.

O/U 230.5

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Over" if the Cavaliers and Celtics combine to score 229 or more points in this game.

If the combined total is less than 229, 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.

O/U 228.5

In the upcoming NBA game, scheduled for October 12 at 7:00 PM ET:

This market will resolve to "Over" if the Cavaliers and Celtics combine to score 227 or more points in this game.

If the combined total is less than 227, 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.

Moneyline
$128.2k Vol.

Spreads
$3.4k Vol.

Totals
$5.6k Vol.

NBA

Celtics vs. Cavaliers Betting Odds & Predictions (Oct. 12, 2025) | Polymarket

Moneyline$128.2k Vol.

Spreads$3.4k Vol.4.55.5chevron left

Totals$5.6k Vol.226.5227.5228.5229.5230.5chevron left

NBA

Moneyline
$128.2k Vol.

Spreads
$3.4k Vol.

Totals
$5.6k Vol.