Live prediction market odds for Lulu Sun vs. Ksenia Efremova. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-04-20
This market resolved on 2026-04-20. Ksenia Efremova was the officially declared outcome. Prior to resolution, the market peaked at 99%.
Lulu Sun vs. Ksenia Efremova — WTA Tennis match held on 2026-04-20. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Ksenia EfremovaWINNER | 99% | 100% |
Lulu Sun | 1% | 0% |
Lulu Sun vs. Ksenia Efremova was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Ksenia Efremova led the market at 99% implied probability before resolution. Other contenders include Lulu Sun at 1%.
Ksenia Efremova held the lead at 99% implied probability heading into resolution. Behind Ksenia Efremova, Lulu Sun at 1% were the next closest contenders. Platforms were tightly aligned at a 0.9% spread, suggesting broad consensus on the odds.
Here were the closing odds across Kalshi, Polymarket: Ksenia Efremova: 99¢ on Kalshi, 100¢ on Polymarket. Lulu Sun: 1¢ on Kalshi, 0¢ on Polymarket. Platforms were tightly aligned at a 0.9% spread, leaving little room for cross-platform arbitrage.
A price of 99¢ meant the market estimated a 99% chance that Ksenia Efremova would be the outcome. Traders who bought at 99¢ and held through resolution received $1.00 per share — a 1% return on their position. Those on the wrong side received $0.
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Ksenia Efremova
99.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Ksenia Efremova wins the Efremova vs Sun 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 Efremova vs Sun 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 Ksenia Efremova and Lulu Sun in the Madrid Open, Qualification, originally scheduled for April 20, 2026 at 11:30AM ET. This market will resolve to “Efremova” if Ksenia Efremova wins the first set. It will resolve to “Sun” if Lulu Sun wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50. Resolution will be based on official WTA match statistics.
