Live prediction market odds for Cristina Bucsa vs. Madison Keys. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-18
Cristina Bucsa vs. Madison Keys — WTA Tennis match scheduled for 2026-05-18. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Madison Keys leads the “Cristina Bucsa vs. Madison Keys” event at 63.0% implied probability, followed by Cristina Bucsa at 37.0%. A 26.0% cross-platform spread signals an active arbitrage window.
Cristina Bucsa vs. Madison Keys is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Madison Keys leads at 63% implied probability, making it the market favorite. Other contenders include Cristina Bucsa at 37%.
Madison Keys currently leads at 63% implied probability. Behind Madison Keys, Cristina Bucsa at 37% are the next closest contenders. The 26.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Madison Keys: 76¢ on Kalshi, 50¢ on Polymarket. Cristina Bucsa: 24¢ on Kalshi, 50¢ on Polymarket. The 26.0% spread across platforms highlights where markets disagree — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 63¢ means the market estimates a 63% probability that Madison Keys will be the outcome. Buying one share at 63¢ pays out $1.00 if correct — a 59% 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.
KalshiIf Madison Keys wins the Keys vs Bucsa professional tennis match in the 2026 WTA Strasbourg Round Of 32 after a ball has been played, then the market resolves to Yes.
The following market refers to the Keys vs Bucsa professional tennis match in the 2026 WTA Strasbourg Round Of 32 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).
PolymarketThis market refers to the tennis match between Madison Keys and Cristina Bucsa in the Internationaux de Strasbourg, originally scheduled for May 18, 2026 at 4:00AM ET. This market will resolve to 'Madison Keys' if Madison Keys advances against Cristina Bucsa. This market will resolve to 'Cristina Bucsa' if Cristina Bucsa advances against Madison Keys. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Madison Keys
63.0% avg
