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: Jul 19, 9:30 AM EST
Polymarket
This market refers to the tennis match between Marjorie Souza and Oceane Babel in the ITF Women Rio Claro, originally scheduled for July 12, 2026 at 9:30AM ET. This market will resolve to 'Marjorie Souza' if Marjorie Souza advances against Oceane Babel. This market will resolve to 'Oceane Babel' if Oceane Babel advances against Marjorie Souza. 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 Marjorie Souza and Oceane Babel in the ITF Women Rio Claro, originally scheduled for July 12, 2026 at 9:30AM ET. This market will resolve to 'Marjorie Souza' if Marjorie Souza advances against Oceane Babel. This market will resolve to 'Oceane Babel' if Oceane Babel advances against Marjorie Souza. 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 sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and profit, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on whether prediction market participants see value that bookmakers have missed. Comparing the two can reveal where consensus differs and highlight potential analytical edges.
On Polymarket, this market is priced through an automated market maker that converts trader positions into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the cumulative bets of all participants; as more traders buy or sell shares tied to a particular outcome, the odds shift accordingly. This continuous pricing mechanism ensures liquidity and allows you to enter or exit positions at transparent, market-determined rates throughout the trading window.
This market resolves around Jul 19, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the ITF Rio Claro event; whichever player wins the match will trigger the corresponding payout. All positions settle based on that verified outcome, so traders should monitor match coverage and official tournament announcements as the resolution date approaches.
Several factors can shift odds before this market resolves. Player form and recent match results, court surface performance history, head-to-head records, and any injury or fitness updates will influence trader sentiment. Weather conditions on match day, pre-match commentary from analysts, and betting action from informed participants can also trigger sharp moves. Late-breaking news—such as a player withdrawal or unexpected lineup change—may cause rapid repricing as the market absorbs new information.