TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 7, 9:29 AM EST
Polymarket
This market refers to the tennis match between Diogo Coelho and David Gaivoto in the M25 Sintra, Qualifying, originally scheduled for September 7, 2026 at 4:00AM ET. This market will resolve to 'Diogo Coelho' if Diogo Coelho advances against David Gaivoto. This market will resolve to 'David Gaivoto' if David Gaivoto advances against Diogo Coelho. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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 Diogo Coelho and David Gaivoto in the M25 Sintra, Qualifying, originally scheduled for September 7, 2026 at 4:00AM ET. This market will resolve to 'Diogo Coelho' if Diogo Coelho advances against David Gaivoto. This market will resolve to 'David Gaivoto' if David Gaivoto advances against Diogo Coelho. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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. Traders buy and sell shares representing their belief in the outcome of the M25 Sintra tennis match. The price of each share directly corresponds to the implied probability of that outcome occurring. As more traders participate and new information emerges, the prices adjust to reflect the collective assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand, with higher demand pushing prices up and increased supply causing them to fall.
This market resolves around Sep 14, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M25 Sintra tennis match between Diogo Coelho and David Gaivoto. The platform will verify the match result against official sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official tournament results to understand when the market is finalized and payouts are processed.
Several factors could influence the price of this market before Sep 14, 2026. Any news regarding the players’ form, potential injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected upsets in other matches within the tournament might also affect perceptions of player momentum. Furthermore, major shifts in public opinion, reflected in betting patterns or expert analysis, could drive price movements. Monitoring tennis news and observing trading volume will provide insight into potential catalysts that could impact this market.