Live prediction market odds for Sloane Stephens vs. Diane Parry. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-04-20
Sloane Stephens vs. Diane Parry — WTA Tennis match scheduled for 2026-04-20. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Diane Parry leads the “Sloane Stephens vs. Diane Parry” event at 56.3% implied probability, followed by Sloane Stephens at 43.8%. A 21.5% cross-platform spread signals an active arbitrage window.
Sloane Stephens vs. Diane Parry is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Diane Parry leads at 56% implied probability, making it the market favorite. Other contenders include Sloane Stephens at 44%.
Diane Parry currently leads at 56% implied probability. Behind Diane Parry, Sloane Stephens at 44% are the next closest contenders. The 21.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Diane Parry: 67¢ on Kalshi, 46¢ on Polymarket. Sloane Stephens: 33¢ on Kalshi, 55¢ on Polymarket. The 21.5% 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 56¢ means the market estimates a 56% probability that Diane Parry will be the outcome. Buying one share at 56¢ pays out $1.00 if correct — a 79% 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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Diane Parry
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Sloane Stephens wins the Parry vs Stephens professional tennis match in the 2026 WTA Madrid Qualification Round 1 after a ball has been played, then the market resolves to Yes.
The following market refers to the Parry vs Stephens professional tennis match in the 2026 WTA Madrid Qualification Round 1 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 Diane Parry and Sloane Stephens in the Madrid Open, Qualification, originally scheduled for April 20, 2026 at 10:00AM ET. This market will resolve to "Parry" if Diane Parry wins by 2 or more sets than Sloane Stephens, based on the final completed score. Otherwise, it will resolve to "Stephens." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official WTA results.
56.3% avg
