TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 3, 11:53 AM EST
Polymarket
This market refers to the tennis match between Juan Martin and Matthew William Donald in the Bari, originally scheduled for October 3, 2026 at 9:00AM ET. This market will resolve to 'Juan Martin' if Juan Martin advances against Matthew William Donald. This market will resolve to 'Matthew William Donald' if Matthew William Donald advances against Juan Martin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 17, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
This market refers to the tennis match between Juan Martin and Matthew William Donald in the Bari, originally scheduled for October 3, 2026 at 9:00AM ET. This market will resolve to 'Juan Martin' if Juan Martin advances against Matthew William Donald. This market will resolve to 'Matthew William Donald' if Matthew William Donald advances against Juan Martin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 17, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
Prediction market odds often reflect the collective wisdom of a diverse group of forecasters, and can sometimes differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and risk management, while this market aggregates the views of many individual traders. Discrepancies can arise due to differing information, biases, or simply the dynamics of supply and demand within the prediction market. It's common to see prediction markets incorporate information more quickly than sportsbooks, especially in response to breaking news or unexpected developments.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell contracts representing their belief about the outcome of the Juan Martin vs Matthew William Donald match. The price of each contract reflects the probability of that outcome occurring, as determined by the collective actions of all traders. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more people buy contracts predicting a particular outcome, the price increases, and vice versa. This dynamic pricing ensures that the market odds closely reflect the current expectations of the crowd.
This market resolves around Oct 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Juan Martin vs Matthew William Donald match, as reported by a recognized sports authority. The platform will verify the result against publicly available data to determine which outcome corresponds to the actual event result. Traders holding contracts on the correct outcome will be paid out according to the final market price at resolution.
Several signals or events could significantly move this market before Oct 10, 2026. Any news regarding player injuries, changes in playing conditions, or strategic announcements from either Juan Martin or Matthew William Donald could influence trader sentiment. Unexpected results in related matches, or even changes in public perception of the players' form, could also lead to shifts in the market. Major upsets in other tournaments or unexpected weather conditions impacting the match could also cause substantial movement in the odds.