TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 9, 7:04 AM EST
Polymarket
This market refers to the tennis match between Giorgio Tabacco and Salvador Monteiro in the M25 Sintra, Main Draw, originally scheduled for September 9, 2026 at 5:00AM ET. This market will resolve to 'Giorgio Tabacco' if Giorgio Tabacco advances against Salvador Monteiro. This market will resolve to 'Salvador Monteiro' if Salvador Monteiro advances against Giorgio Tabacco. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Giorgio Tabacco and Salvador Monteiro in the M25 Sintra, Main Draw, originally scheduled for September 9, 2026 at 5:00AM ET. This market will resolve to 'Giorgio Tabacco' if Giorgio Tabacco advances against Salvador Monteiro. This market will resolve to 'Salvador Monteiro' if Salvador Monteiro advances against Giorgio Tabacco. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of bettors, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market is driven by individuals directly wagering on the outcome. It's common to see discrepancies, especially when there's significant public interest or disagreement about the likely result. These differences can arise from varying information access, biases, or simply differing interpretations of the available data. Comparing the odds can be a useful exercise for informed decision-making.
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 a share directly corresponds to the implied probability of that outcome occurring. As more people buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market reflects the most up-to-date collective assessment of the event's likelihood. The current volume indicates the level of conviction behind each possible result, making it a transparent gauge of market sentiment.
This market resolves around Sep 16, 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 match, as reported by recognized sports authorities. The platform will verify the outcome against these sources to ensure accuracy and fairness. Traders who correctly predicted the result will be entitled to a payout based on the final share price at the time of resolution. It’s important to monitor the event closely as the resolution date approaches.
Several factors could influence the price of shares in this market. Any news regarding player injuries, changes in team strategy, or unexpected weather conditions could significantly shift trader sentiment. Public opinion, as reflected in polls or expert analysis, can also play a role, especially if it deviates from the initial market assessment. Major upsets in related matches or tournaments might also cause traders to reassess the probabilities. Monitoring these signals and staying informed about the latest developments is crucial for understanding potential market movements before Sep 16, 2026.