Live prediction market odds for Laura Samson vs. Julia Riera. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-19
Laura Samson vs. Julia Riera — WTA Tennis match scheduled for 2026-05-19. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Laura Samson leads the “Laura Samson vs. Julia Riera” event at 23.1% implied probability, followed by Julia Riera at 72.0%. A 55.9% cross-platform spread signals an active arbitrage window.
Laura Samson vs. Julia Riera is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Laura Samson leads at 23% implied probability, making it the market favorite. Other contenders include Julia Riera at 72%.
Laura Samson currently leads at 23% implied probability. Behind Laura Samson, Julia Riera at 72% are the next closest contenders. The 55.9% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Laura Samson: 46¢ on Kalshi, 0¢ on Polymarket. Julia Riera: 44¢ on Kalshi, 100¢ on Polymarket. The 55.9% 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 23¢ means the market estimates a 23% probability that Laura Samson will be the outcome. Buying one share at 23¢ pays out $1.00 if correct — a 335% 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 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.
Laura Samson
23.1% avg
