Live prediction market odds for Tyra Caterina Grant vs. Katie Boulter. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-06-30
Tyra Caterina Grant vs. Katie Boulter — WTA Tennis match scheduled for 2026-06-30. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Katie Boulter leads the “Tyra Caterina Grant vs. Katie Boulter” event at 70.5% implied probability, followed by Tyra Caterina Grant at 30.0%. A 2.0% cross-platform spread signals an active arbitrage window.
Tyra Caterina Grant vs. Katie Boulter is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Katie Boulter leads at 71% implied probability, making it the market favorite. Other contenders include Tyra Caterina Grant at 30%.
Katie Boulter currently leads at 71% implied probability. Behind Katie Boulter, Tyra Caterina Grant at 30% are the next closest contenders. A 2.0% spread across platforms indicated moderate disagreement on the latest developments.
Here are the latest odds across Kalshi, Polymarket: Katie Boulter: 70¢ on Kalshi, 71¢ on Polymarket. Tyra Caterina Grant: 31¢ on Kalshi, 29¢ on Polymarket. The 2.0% spread shows moderate platform divergence worth monitoring for potential opportunities.
A price of 71¢ means the market estimates a 71% probability that Katie Boulter will be the outcome. Buying one share at 71¢ pays out $1.00 if correct — a 41% 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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Katie Boulter
70.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Tyra Caterina Grant wins the Boulter vs Grant professional tennis match in the 2026 Wimbledon Women Singles Round Of 128 after a ball has been played, then the market resolves to Yes.
The following market refers to the Boulter vs Grant professional tennis match in the 2026 Wimbledon 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 Katie Boulter and Tyra Caterina Grant in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Tyra Caterina Grant. This market will resolve to 'Tyra Caterina Grant' if Tyra Caterina Grant advances against Katie Boulter. 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.
