Live prediction market odds for Jenson Brooksby vs. Mackenzie McDonald. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-03-30
Jenson Brooksby vs. Mackenzie McDonald — ATP Tennis match scheduled for 2026-03-30. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Jenson Brooksby leads the “Jenson Brooksby vs. Mackenzie McDonald” event at 70.5% implied probability, followed by Mackenzie McDonald at 29.3%. Platforms are tightly aligned at a 1.0% spread.
Jenson Brooksby vs. Mackenzie McDonald is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Jenson Brooksby leads at 71% implied probability, making it the market favorite. Other contenders include Mackenzie McDonald at 29%.
Jenson Brooksby currently leads at 71% implied probability. Behind Jenson Brooksby, Mackenzie McDonald at 29% are the next closest contenders. Platforms were tightly aligned at a 1.0% spread, suggesting broad consensus on the odds.
Here are the latest odds across Kalshi, Polymarket: Jenson Brooksby: 70¢ on Kalshi, 71¢ on Polymarket. Mackenzie McDonald: 30¢ on Kalshi, 29¢ on Polymarket. Platforms are tightly aligned at a 1.0% spread, leaving little room for cross-platform arbitrage.
A price of 71¢ means the market estimates a 71% probability that Jenson Brooksby 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.
Jenson Brooksby
70.5% avg
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.
