TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 16, 10:12 AM EST
Polymarket
This market refers to the tennis match between Benjamin Thomas George and Tiago Cacao in the M25 Sintra, Main Draw, originally scheduled for September 16, 2026 at 6:30AM ET. This market will resolve to 'Benjamin Thomas George' if Benjamin Thomas George advances against Tiago Cacao. This market will resolve to 'Tiago Cacao' if Tiago Cacao advances against Benjamin Thomas George. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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 Benjamin Thomas George and Tiago Cacao in the M25 Sintra, Main Draw, originally scheduled for September 16, 2026 at 6:30AM ET. This market will resolve to 'Benjamin Thomas George' if Benjamin Thomas George advances against Tiago Cacao. This market will resolve to 'Tiago Cacao' if Tiago Cacao advances against Benjamin Thomas George. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective assessment of the event's likelihood. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform uses a fee structure to incentivize accurate predictions and discourage manipulation, ensuring a fair and efficient market. The current price indicates the market's expectation for the result of the M25 Sintra tennis match.
This market resolves around Sep 23, 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 M25 Sintra tennis match between Benjamin Thomas George and Tiago Cacao. The platform will verify the winner against official tournament results and publicly available data sources to determine the final outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence the price of this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected upsets in earlier rounds of the tournament involving either player could also impact the probabilities. Furthermore, general tennis news, weather forecasts for Sintra, and even social media discussions can all contribute to price movements. A strong performance by either player in a preceding match would likely increase their chances according to this market.