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 21, 2:15 PM EST
Polymarket
This market refers to the tennis match between David Goffin and Mark Lajal in the St. Tropez, originally scheduled for September 21, 2026 at 4:00AM ET. This market will resolve to 'David Goffin' if David Goffin advances against Mark Lajal. This market will resolve to 'Mark Lajal' if Mark Lajal advances against David Goffin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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.
This market refers to the tennis match between David Goffin and Mark Lajal in the St. Tropez, originally scheduled for September 21, 2026 at 4:00AM ET. This market will resolve to 'David Goffin' if David Goffin advances against Mark Lajal. This market will resolve to 'Mark Lajal' if Mark Lajal advances against David Goffin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to profit by balancing action on both sides, while this market allows anyone to express their belief about the outcome. If a significant discrepancy exists between prediction market probabilities and sportsbook odds, it may indicate that the market perceives information differently or that one venue has a more efficient pricing mechanism. It’s important to remember that both represent probabilities, but are derived through different processes.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief about the outcome of the Goffin vs Lajal match. The price of a share directly corresponds to the probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, reflecting a higher perceived probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price dynamically adjusts based on supply and demand, offering a real-time assessment of the event’s potential results.
This market resolves around Sep 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the St. Tropez match between David Goffin and Mark Lajal, as reported by a recognized tennis authority. The platform will verify the result against publicly available data to determine which outcome corresponds to the actual event outcome. Traders holding shares in the correct outcome will be entitled to a payout based on the final market price at resolution.
Several factors could influence the price of this market before Sep 28, 2026. Any news regarding player injuries, changes in playing conditions, or unexpected developments related to either David Goffin or Mark Lajal could shift trader sentiment. Significant betting activity in traditional sportsbooks could also create arbitrage opportunities, prompting traders to adjust their positions. Furthermore, updates on the players’ recent performance or strategic changes announced by their teams may also impact the market’s pricing, as traders incorporate new information into their predictions.