TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 7:49 AM EST
Polymarket
This market refers to the tennis match between Matt Mcdowell and Leo Deflandre in the M15 Monastir, Qualifying, originally scheduled for September 13, 2026 at 4:30AM ET. This market will resolve to 'Matt Mcdowell' if Matt Mcdowell advances against Leo Deflandre. This market will resolve to 'Leo Deflandre' if Leo Deflandre advances against Matt Mcdowell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 Matt Mcdowell and Leo Deflandre in the M15 Monastir, Qualifying, originally scheduled for September 13, 2026 at 4:30AM ET. This market will resolve to 'Matt Mcdowell' if Matt Mcdowell advances against Leo Deflandre. This market will resolve to 'Leo Deflandre' if Leo Deflandre advances against Matt Mcdowell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 incorporate a 'vig' or commission into their odds, while Polymarket allows traders to directly assess probabilities. This can lead to discrepancies, especially when there's strong public sentiment or information asymmetry. If a large number of traders believe a sportsbook is mispricing the likelihood of a particular outcome in this market, they can express that view by trading on Polymarket, potentially driving the odds in a different direction than conventional bookmakers.
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. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price moves based on supply and demand; if more traders buy shares, the price increases, indicating a higher perceived probability. Conversely, increased selling pressure lowers the price. This dynamic pricing ensures the market reflects the collective wisdom of the crowd regarding the M15 Monastir tennis match.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M15 Monastir tennis match between Matt Mcdowell and Leo Deflandre, as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome corresponds to the winning shares. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at resolution.
Several factors could influence trading activity and move this market before Sep 20, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly impact the perceived probabilities. Unexpected weather forecasts affecting the match schedule, or even significant shifts in public sentiment based on pre-match analysis, could also drive trading volume and price fluctuations. Furthermore, large trades by influential participants on Polymarket could create short-term price movements, reflecting their informed opinions about the M15 Monastir tennis match.