A NBB prediction market lets traders take positions on real-world NBB outcomes. Each market offers shares priced between 0¢ and 100¢, where the price represents the implied probability that the outcome occurs. You can browse all live NBB markets on this page.

There are currently 5 active NBB markets, with a combined trading volume of $428. The full list is available on this page.

The top NBB markets by volume right now are EC Uniao Corinthians vs. Cruzeiro Basquete, Unifacisa vs. EC Pinheiros SP, and Fortaleza Basquete Cearense vs. Basquete Osasco. These are typically driven by upcoming matchups, breaking injury news, and lineup confirmations.

The next scheduled NBB event with a market on Polymarket is EC Uniao Corinthians vs. Cruzeiro Basquete on October 19, 2026.

Each contract is priced between 0¢ and 100¢. A NBB team or player priced at 65¢, for example, means the market is implying a 65% probability that they win or hit the stated outcome. The other side trades at 35¢.

NBB markets typically cover individual game and match outcomes, season-long awards, championship futures, and player props where available. The exact mix depends on the NBB schedule and what traders are most active on at any given time — see the live list on this page for what's currently open.

Prices tend to move fastest on news that changes who is playing or how they'll perform — confirmed lineups, injury updates, suspensions, weather, and in-play developments. The 24–48 hours before a NBB event are typically the most active window for price movement.