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The most-traded NBA market right now: "NBA: LeBron James Next Team — Odds & Probability" — a 53% implied probability of Miami Heat on Polymarket, as of July 22, 2026.
Game markets, futures, and the free-agency silly season — the NBA book runs year-round.
NBA Finals 2027 arena — the full event tracker5
Live markets
$37.9M
Tracked volume
0
Settled archives
FUTURES
Miami Heat · Polymarket · $36M vol
Cleveland Cavaliers · Polymarket · $1.3M vol
Golden State Warriors · Polymarket · $300.7K vol
Toronto Raptors · Polymarket · $190.5K vol
Detroit Pistons · Polymarket · $164.4K vol
FAQ
The most-traded live NBA market is "NBA: LeBron James Next Team — Odds & Probability", where the market implies a 53% chance of Miami Heat on Polymarket. W.E.T. tracks 5 live NBA markets in total.
The most-traded NBA season-long market is "NBA: LeBron James Next Team — Odds & Probability", where Miami Heat leads at 53% implied probability on Polymarket. W.E.T. tracks 5 NBA futures & season-long markets in total.
On Kalshi (CFTC-regulated US exchange) and Polymarket (crypto-native). W.E.T. aggregates both books in one place — implied probability, volume, and the cross-venue gap when the same market trades on both — as data, not advice.
No. Implied probability is a live market price — what traders are collectively paying — not a forecast from W.E.T. Settled markets on this page are frozen archives of the final pre-close read.
W.E.T. is an information and data service — not a gambling operator. Implied probabilities are live market prices, not forecasts or advice. See the methodology and disclaimer.