Live prediction market odds for Boston Celtics vs. Memphis Grizzlies. Compare prices across Kalshi and Polymarket and ProphetX.
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MARKET RESOLVEDKalshi / Polymarket / ProphetX
Resolved 2026-03-20
This market resolved on 2026-03-20. Boston Celtics was the officially declared outcome. Prior to resolution, the market peaked at 99%.
nba-bos-mem-2026-03-20 : Sports event: Boston Celtics vs. Memphis Grizzlies - nba
| Candidate |  |  |  |
|---|---|---|---|
Boston CelticsWINNER | 99% | 90% | 99% |
Memphis Grizzlies | 1% | 11% | 7% |
Boston Celtics vs. Memphis Grizzlies was a prediction market event tracked across 3 platforms (Kalshi, Polymarket, ProphetX). Boston Celtics led the market at 96% implied probability before resolution. Other contenders include Memphis Grizzlies at 6%.
Boston Celtics held the lead at 96% implied probability heading into resolution. Behind Boston Celtics, Memphis Grizzlies at 6% were the next closest contenders. The 9.6% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket, ProphetX: Boston Celtics: 99¢ on Kalshi, 90¢ on Polymarket, 99¢ on ProphetX. Memphis Grizzlies: 1¢ on Kalshi, 11¢ on Polymarket, 7¢ on ProphetX. The 9.6% 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 96¢ meant the market estimated a 96% chance that Boston Celtics would be the outcome. Traders who bought at 96¢ and held through resolution received $1.00 per share — a 4% return on their position. Those on the wrong side received $0.
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As seen on Financial Times and Polymark.et
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and ProphetX.
KalshiIf Boston wins the Boston at Memphis professional basketball game originally scheduled for Mar 20, 2026, then the market resolves to Yes.
PolymarketIn the upcoming NBA game, scheduled for March 20 at 8:00PM ET: If the Celtics win, the market will resolve to "Celtics". If the Grizzlies win, the market will resolve to "Grizzlies". 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
Boston Celtics
95.9% avg
