TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 4:30 AM EST
Polymarket
This market refers to the tennis match between Marta Soriano Santiago and Margaux Maquet in the ITF Women Madrid, originally scheduled for June 12, 2026 at 4:30AM ET. This market will resolve to 'Marta Soriano Santiago' if Marta Soriano Santiago advances against Margaux Maquet. This market will resolve to 'Margaux Maquet' if Margaux Maquet advances against Marta Soriano Santiago. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Marta Soriano Santiago and Margaux Maquet in the ITF Women Madrid, originally scheduled for June 12, 2026 at 4:30AM ET. This market will resolve to 'Marta Soriano Santiago' if Marta Soriano Santiago advances against Margaux Maquet. This market will resolve to 'Margaux Maquet' if Margaux Maquet advances against Marta Soriano Santiago. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 and traditional sportsbook odds often diverge because they operate under different mechanisms and serve different audiences. Sportsbooks set odds to balance liability and profit, while prediction markets like this one are priced by traders seeking to profit from accurate forecasts. Prediction markets can sometimes offer sharper, more efficient pricing because traders have direct financial incentive to correct mispriced outcomes. However, sportsbooks may reflect additional factors such as injury reports or late-breaking news faster in some cases. Comparing this market's implied probability to major sportsbook lines can reveal valuable discrepancies for informed bettors.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one possible result, and the price of each share reflects the market's aggregate belief in that outcome's likelihood. As traders trade, prices adjust in real time to balance supply and demand. The current odds shown on the dashboard represent the latest consensus price, updated with every transaction. This mechanism ensures continuous liquidity and allows participants to enter or exit positions at transparent, market-determined rates throughout the trading window.
This market resolves around Jun 19, 2026, once the ITF Madrid match between the two players concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result reported by the tournament organizers or established tennis databases. Until that point, traders can continue to buy and sell shares as new information emerges. Resolution is automatic once the event is finalized and the platform confirms the winner, at which point winning shares are redeemed at full value and losing shares expire worthless.
Several factors could shift market prices before resolution. Player injury announcements or withdrawal news would trigger sharp repricing, as would recent performance data from warm-up tournaments or training reports. Changes in player ranking or head-to-head records may influence trader sentiment. Court surface conditions, weather forecasts on match day, and any coaching or personnel changes could also move odds. Media coverage highlighting one player's form or psychological edge may sway the crowd. Additionally, if one player advances through earlier rounds with dominant performances, market prices will adjust to reflect improved or diminished confidence in their chances against this opponent.