Live prediction market odds for San Antonio Spurs vs. Oklahoma City Thunder. Compare prices across Kalshi and Polymarket and ProphetX.
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Kalshi / Polymarket / ProphetX
2026-05-18
San Antonio Spurs vs. Oklahoma City Thunder — NBA game scheduled for 2026-05-18. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Oklahoma City Thunder leads the “San Antonio Spurs vs. Oklahoma City Thunder” event at 68.9% implied probability, followed by San Antonio Spurs at 32.2%. A 1.7% cross-platform spread signals an active arbitrage window.
San Antonio Spurs vs. Oklahoma City Thunder is a prediction market event currently tracked across 3 platforms (Kalshi, Polymarket, ProphetX). Oklahoma City Thunder leads at 69% implied probability, making it the market favorite. Other contenders include San Antonio Spurs at 32%.
Oklahoma City Thunder currently leads at 69% implied probability. Behind Oklahoma City Thunder, San Antonio Spurs at 32% are the next closest contenders. A 1.7% spread across platforms indicated moderate disagreement on the latest developments.
Here are the latest odds across Kalshi, Polymarket, ProphetX: Oklahoma City Thunder: 69¢ on Kalshi, 68¢ on Polymarket, 70¢ on ProphetX. San Antonio Spurs: 32¢ on Kalshi, 32¢ on Polymarket, 33¢ on ProphetX. The 1.7% spread shows moderate platform divergence worth monitoring for potential opportunities.
A price of 69¢ means the market estimates a 69% probability that Oklahoma City Thunder will be the outcome. Buying one share at 69¢ pays out $1.00 if correct — a 45% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and ProphetX.
KalshiIf Oklahoma City wins the Game 1: San Antonio at Oklahoma City professional basketball game originally scheduled for May 18, 2026, then the market resolves to Yes.
PolymarketIn the upcoming NBA game, scheduled for May 18 at 8:30PM ET: If the Spurs win, the market will resolve to "Spurs". If the Thunder win, the market will resolve to "Thunder". 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
Oklahoma City Thunder
68.9% avg
