Live prediction market odds for Heat vs. Celtics. Compare prices across Kalshi and Polymarket.
MARKET RESOLVEDKalshi / Polymarket
Resolved 2025-12-19
This market resolved on 2025-12-19. Boston Celtics was the officially declared outcome. Prior to resolution, the market peaked at 86%.
This market has resolved.
| Candidate |  |  |
|---|---|---|
Boston CelticsWINNER | 99% | 73% |
Boston CelticsWINNER | 99% | 68% |
Miami Heat | 1% | 33% |
Miami Heat | 1% | 28% |
Heat vs. Celtics was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Boston Celtics led the market at 86% implied probability before resolution. Other contenders include Boston Celtics at 83%, Miami Heat at 17%, Miami Heat at 14%.
Boston Celtics held the lead at 86% implied probability heading into resolution. Behind Boston Celtics, Boston Celtics at 83% and Miami Heat at 17% and Miami Heat at 14% were the next closest contenders. The 31.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Boston Celtics: 99¢ on Kalshi, 73¢ on Polymarket. Boston Celtics: 99¢ on Kalshi, 68¢ on Polymarket. Miami Heat: 1¢ on Kalshi, 33¢ on Polymarket. Miami Heat: 1¢ on Kalshi, 28¢ on Polymarket. The 31.5% spread across platforms highlights where markets disagreed — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 86¢ meant the market estimated a 86% chance that Boston Celtics would be the outcome. Traders who bought at 86¢ and held through resolution received $1.00 per share — a 16% return on their position. Those on the wrong side received $0.
Boston Celtics
85.8% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi.
KalshiIf Boston wins the Miami vs Boston professional basketball game originally scheduled for Dec 19, 2025, then the market resolves to Yes.
