TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 27, 8:38 AM EST
Polymarket
This market refers to the tennis match between Gerard Campana Lee and Sander Jong in the M25 Sabadell, Main Draw, originally scheduled for September 27, 2026 at 5:00AM ET. This market will resolve to 'Gerard Campana Lee' if Gerard Campana Lee advances against Sander Jong. This market will resolve to 'Sander Jong' if Sander Jong advances against Gerard Campana Lee. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Gerard Campana Lee and Sander Jong in the M25 Sabadell, Main Draw, originally scheduled for September 27, 2026 at 5:00AM ET. This market will resolve to 'Gerard Campana Lee' if Gerard Campana Lee advances against Sander Jong. This market will resolve to 'Sander Jong' if Sander Jong advances against Gerard Campana Lee. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, ensuring a profit for the bookmaker. This market, however, is driven purely by the collective wisdom of traders, potentially leading to more accurate probabilities, especially as the event approaches. Discrepancies can arise due to differing levels of information available to each group, or simply because of varying opinions on the players' strengths and weaknesses. It's crucial to consider both sources when forming your own assessment.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in each outcome. The price of a share directly corresponds to the probability of that outcome occurring, as determined by the supply and demand within the market. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders believe a particular player will win, the price of shares representing that player will increase, and vice versa. This dynamic pricing ensures that the market reflects the most up-to-date collective prediction.
This market resolves around Oct 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Sabadell tennis match between Gerard Campana Lee and Sander Jong. The platform will verify the winner based on publicly available sources, such as official tournament websites and sports news outlets. Traders holding shares in the winning player will receive a payout equivalent to 1 minus the cost of their shares, while those holding shares in the losing player will lose their investment.
Several factors could influence the trading activity in this market before the match takes place. News regarding player injuries, changes in playing conditions (like court surface), or even updated player rankings could all shift the probabilities. Unexpected results in other matches leading up to the Sabadell event could also impact trader sentiment. Furthermore, any public statements from the players themselves, or from tennis analysts, could introduce new information and cause the market to react. Monitoring these signals is key to understanding potential shifts in the odds.