Live prediction market odds for Laura Samson vs. Julia Riera. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-05-19
This market resolved on 2026-05-19. Julia Riera was the officially declared outcome. Prior to resolution, the market peaked at 72%.
Laura Samson vs. Julia Riera — WTA Tennis match held on 2026-05-19. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Julia RieraWINNER | 44% | 100% |
Laura Samson | 46% | 0% |
Laura Samson vs. Julia Riera was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Julia Riera led the market at 72% implied probability before resolution. Other contenders include Laura Samson at 23%.
Julia Riera held the lead at 72% implied probability heading into resolution. Behind Julia Riera, Laura Samson at 23% were the next closest contenders. The 55.9% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Julia Riera: 44¢ on Kalshi, 100¢ on Polymarket. Laura Samson: 46¢ on Kalshi, 0¢ on Polymarket. The 55.9% 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 72¢ meant the market estimated a 72% chance that Julia Riera would be the outcome. Traders who bought at 72¢ and held through resolution received $1.00 per share — a 39% 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.
KalshiIf Laura Samson wins the Riera vs Samson professional tennis match in the 2026 French Open Women Singles Round Of 128 after a ball has been played, then the market resolves to Yes.
The following market refers to the Riera vs Samson professional tennis match in the 2026 French Open Women Singles Round Of 128 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 Julia Riera and Laura Samson in the Roland Garros, Qualification WTA, originally scheduled for May 19, 2026 at 4:00AM ET. This market will resolve to 'Julia Riera' if Julia Riera advances against Laura Samson. This market will resolve to 'Laura Samson' if Laura Samson advances against Julia Riera. 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.
Julia Riera
72.0% avg
