Live prediction market odds for Kayla Day vs. Haley Giavara. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-03-29
This market resolved on 2026-03-29. Kayla Day was the officially declared outcome. Prior to resolution, the market peaked at 88%.
Kayla Day vs. Haley Giavara — WTA Tennis match held on 2026-03-29. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Kayla DayWINNER | 100% | 76% |
Haley Giavara | 1% | 25% |
Kayla Day vs. Haley Giavara was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Kayla Day led the market at 88% implied probability before resolution. Other contenders include Haley Giavara at 13%.
Kayla Day held the lead at 88% implied probability heading into resolution. Behind Kayla Day, Haley Giavara at 13% were the next closest contenders. The 24.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Kayla Day: 100¢ on Kalshi, 76¢ on Polymarket. Haley Giavara: 1¢ on Kalshi, 25¢ on Polymarket. The 24.0% 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 88¢ meant the market estimated a 88% chance that Kayla Day would be the outcome. Traders who bought at 88¢ and held through resolution received $1.00 per share — a 14% return on their position. Those on the wrong side received $0.
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Kayla Day
87.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Haley Giavara wins the Giavara vs Day professional tennis match in the 2026 WTA Charleston Qualification Round 1 after a ball has been played, then the market resolves to Yes.
The following market refers to the Giavara vs Day professional tennis match in the 2026 WTA Charleston 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 Haley Giavara and Kayla Day in the Credit One Charleston Open, Qualification, scheduled for March 28 2026. This market will resolve to “Giavara” if Haley Giavara wins the first set. It will resolve to “Day” if Kayla Day 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.
