TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 22, 12:47 PM EST
Polymarket
This market tracks whether the tennis match between Harold Mayot and Justin Boulais in St. Tropez will be completed. Currently, Polymarket gives a 100.0% probability to “St. Tropez: Completed Match: Harold Mayot vs Justin Boulais” and a 38.5% probability to “St. Tropez: Harold Mayot vs Justin Boulais”. Resolution will be based on the official scores reported at https://www.atptour.com/en/scores/current. Keep an eye on the match schedule, as the original start time was September 22, 2026 at 8:30AM ET, and any changes could impact the outcome.
This market refers to the tennis match between Harold Mayot and Justin Boulais in the St. Tropez, originally scheduled for September 22, 2026 at 8:30AM ET. This market will resolve to 'Harold Mayot' if Harold Mayot advances against Justin Boulais. This market will resolve to 'Justin Boulais' if Justin Boulais advances against Harold Mayot. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 ATP Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds can differ from those offered by traditional sportsbooks. Sportsbooks often incorporate a ‘vig’ or commission into their odds, while prediction markets aim to reflect the true probability of an outcome as determined by traders. However, it's not uncommon to see convergence, especially as the event approaches and more information becomes available. Discrepancies can arise due to differing opinions, information advantages, or simply variations in market participants. Examining these differences can sometimes reveal valuable insights into public perception versus informed betting.
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 implied probability of that outcome occurring. As more traders participate and new information emerges, the price adjusts accordingly. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand; there are no external factors influencing the valuation. This dynamic pricing allows for a real-time assessment of expectations surrounding the Mayot vs Boulais match.
This market resolves around Sep 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Mayot vs Boulais match, as reported by the governing sports organization. The platform will verify the result against publicly available sources to ensure accuracy and transparency. Traders who correctly predicted the outcome will be entitled to a payout based on the final share price at the time of resolution. It’s important to monitor official sources for the final result.
Several factors could influence the price of this market before Sep 29, 2026. Any news regarding player injuries, changes in playing conditions, or updates on athlete performance could significantly shift trader sentiment. Unexpected announcements related to the match schedule or venue could also cause fluctuations. Furthermore, large trading volume from informed participants could signal a change in expectations. Monitoring sports news, social media, and the trading activity on Polymarket will be crucial for understanding potential market movements in the lead-up to the event.