TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 25, 2:27 PM EST
Polymarket
The 2026 Brussels, Belgium Singles tennis tournament is scheduled for October 17–25, 2026. This market will resolve to the player that wins the 2026 Brussels, Belgium Singles Men’s Singles Tournament. If at any point it becomes impossible for a listed player to win the 2026 Brussels, Belgium Singles Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to "No". If a player who is not listed wins the 2026 Brussels, Belgium Singles Men’s Singles Tournament, this market will resolve to "Other". If the 2026 Brussels, Belgium Singles Men’s Singles Tournament is cancelled, postponed after November 8, 2026, 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to "Other". The primary resolution source will be official information from ATP (https://www.atptour.com/en/scores/current); however, a consensus of credible reporting may also be used.
The 2026 Brussels, Belgium Singles tennis tournament is scheduled for October 17–25, 2026. This market will resolve to the player that wins the 2026 Brussels, Belgium Singles Men’s Singles Tournament. If at any point it becomes impossible for a listed player to win the 2026 Brussels, Belgium Singles Men’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to "No". If a player who is not listed wins the 2026 Brussels, Belgium Singles Men’s Singles Tournament, this market will resolve to "Other". If the 2026 Brussels, Belgium Singles Men’s Singles Tournament is cancelled, postponed after November 8, 2026, 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to "Other". The primary resolution source will be official information from ATP (https://www.atptour.com/en/scores/current); however, a consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd, often differing from initial sportsbook offerings. Sportsbooks set lines based on their own analysis and to balance action, while this market aggregates the beliefs of many individual traders. If a significant number of traders believe a player is more likely to win than sportsbooks indicate, the odds on Polymarket will shift accordingly. Discrepancies can arise due to differing information, biases, or simply the dynamic nature of a continuously updating market. It’s common to see prediction markets outperform traditional odds over time, especially as the event approaches.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in each player’s chance of winning. As more shares are purchased for a particular player, the price of those shares increases, reflecting a higher implied probability of success. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movement is driven entirely by supply and demand; if many traders believe a player has a strong chance, they’ll bid up the price of shares associated with that player. This creates a real-time assessment of probabilities based on collective intelligence.
This market resolves around Oct 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of the ATP Brussels singles tournament will determine the outcome of this market. Official tournament results, as published by the ATP, will be used to verify the winner. The market will settle to 100% probability for the winning player and 0% for all others. Traders holding shares in the winning player will receive a payout equivalent to their shareholding, while those holding shares in losing players will forfeit their investment.
Several factors could significantly impact this market. Player injuries or withdrawals are major catalysts, as they immediately alter the competitive landscape. Unexpected results in lead-up tournaments could also shift expectations and influence trading activity. News regarding player form, coaching changes, or even weather conditions in Brussels could all contribute to price movements. Any information that changes the perceived probability of a player winning – positive or negative – has the potential to move this market between now and Oct 26, 2026. Keep an eye on tennis news and analysis for potential signals.