Live prediction market odds for Mirra Andreeva vs. Iga Swiatek. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-04-17
This market resolved on 2026-04-17. Iga Swiatek was the officially declared outcome. Prior to resolution, the market peaked at 50%.
Mirra Andreeva vs. Iga Swiatek — WTA Tennis match held on 2026-04-17. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Iga SwiatekWINNER | 1% | 100% |
Mirra Andreeva | 99% | 0% |
Mirra Andreeva vs. Iga Swiatek was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Iga Swiatek led the market at 50% implied probability before resolution. Other contenders include Mirra Andreeva at 50%.
Iga Swiatek held the lead at 50% implied probability heading into resolution. Behind Iga Swiatek, Mirra Andreeva at 50% were the next closest contenders. The 98.9% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Iga Swiatek: 1¢ on Kalshi, 100¢ on Polymarket. Mirra Andreeva: 99¢ on Kalshi, 0¢ on Polymarket. The 98.9% 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 50¢ meant the market estimated a 50% chance that Iga Swiatek would be the outcome. Traders who bought at 50¢ and held through resolution received $1.00 per share — a 100% return on their position. Those on the wrong side received $0.
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Iga Swiatek
50.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Iga Swiatek wins the Swiatek vs Andreeva professional tennis match in the 2026 WTA Stuttgart Quarterfinal after a ball has been played, then the market resolves to Yes.
The following market refers to the Swiatek vs Andreeva professional tennis match in the 2026 WTA Stuttgart Quarterfinal 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 Iga Swiatek and Mirra Andreeva in the Porsche Tennis Grand Prix, originally scheduled for April 17, 2026 at 4:00AM ET. This market will resolve to “Swiatek” if Iga Swiatek wins the first set. It will resolve to “Andreeva” if Mirra Andreeva 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.
