Live prediction market odds for Jenson Brooksby vs. Mackenzie McDonald. Compare prices across Kalshi and Polymarket.
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MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-03-30
This market resolved on 2026-03-30. Mackenzie McDonald was the officially declared outcome. Prior to resolution, the market peaked at 65%.
Jenson Brooksby vs. Mackenzie McDonald — ATP Tennis match held on 2026-03-30. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Mackenzie McDonaldWINNER | 99% | 32% |
Jenson Brooksby | 1% | 69% |
Jenson Brooksby vs. Mackenzie McDonald was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Mackenzie McDonald led the market at 65% implied probability before resolution. Other contenders include Jenson Brooksby at 35%.
Mackenzie McDonald held the lead at 65% implied probability heading into resolution. Behind Mackenzie McDonald, Jenson Brooksby at 35% were the next closest contenders. The 67.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Mackenzie McDonald: 99¢ on Kalshi, 32¢ on Polymarket. Jenson Brooksby: 1¢ on Kalshi, 69¢ on Polymarket. The 67.5% 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 65¢ meant the market estimated a 65% chance that Mackenzie McDonald would be the outcome. Traders who bought at 65¢ and held through resolution received $1.00 per share — a 54% return on their position. Those on the wrong side received $0.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Jenson Brooksby wins the McDonald vs Brooksby professional tennis match in the 2026 ATP Houston Round Of 32 after a ball has been played, then the market resolves to Yes.
The following market refers to the McDonald vs Brooksby professional tennis match in the 2026 ATP Houston Round Of 32 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 on the tennis match between Mackenzie McDonald and Jenson Brooksby in the US Men's Clay Court Championships, scheduled for March 30 at 11:00AM ET. This market will resolve to 'Mackenzie McDonald' if Mackenzie McDonald advances against Jenson Brooksby. This market will resolve to 'Jenson Brooksby' if Jenson Brooksby advances against Mackenzie McDonald. 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 ATP Tour. A consensus of credible reporting may also be used.
Mackenzie McDonald
65.3% avg
