Live prediction market odds for Philadelphia 76ers vs. Boston Celtics. Compare prices across Kalshi and Polymarket and ProphetX.
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MARKET RESOLVEDKalshi / Polymarket / ProphetX
Resolved 2026-04-21
This market resolved on 2026-04-21. Philadelphia 76ers was the officially declared outcome. Prior to resolution, the market peaked at 98%.
Philadelphia 76ers vs. Boston Celtics — NBA game held on 2026-04-21. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |  |
|---|---|---|---|
Philadelphia 76ersWINNER | 99% | 17% | 98% |
Boston Celtics | 1% | 83% | 1% |
Philadelphia 76ers vs. Boston Celtics was a prediction market event tracked across 3 platforms (Kalshi, Polymarket, ProphetX). Philadelphia 76ers led the market at 71% implied probability before resolution. Other contenders include Boston Celtics at 28%.
Philadelphia 76ers held the lead at 71% implied probability heading into resolution. Behind Philadelphia 76ers, Boston Celtics at 28% were the next closest contenders. The 82.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket, ProphetX: Philadelphia 76ers: 99¢ on Kalshi, 17¢ on Polymarket, 98¢ on ProphetX. Boston Celtics: 1¢ on Kalshi, 83¢ on Polymarket, 1¢ on ProphetX. The 82.0% 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 71¢ meant the market estimated a 71% chance that Philadelphia 76ers would be the outcome. Traders who bought at 71¢ and held through resolution received $1.00 per share — a 41% return on their position. Those on the wrong side received $0.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and ProphetX.
KalshiIf Philadelphia wins the Game 2: Philadelphia at Boston professional basketball game originally scheduled for Apr 21, 2026, then the market resolves to Yes.
PolymarketIn the upcoming NBA game, scheduled for April 21 at 7:00PM ET: If the 76ers win, the market will resolve to "76ers". 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. The result will be determined based on the final score including any overtime periods.
ProphetXSports moneyline - resolves based on official game outcome per ProphetX Prediction Rules
Philadelphia 76ers
71.2% avg
