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: Jun 25, 4:30 AM EST
Polymarket
This market refers to the tennis match between Natalia Sousa Salazar and Lois Newberry in the ITF Women Monastir, originally scheduled for June 18, 2026 at 4:30AM ET. This market will resolve to 'Natalia Sousa Salazar' if Natalia Sousa Salazar advances against Lois Newberry. This market will resolve to 'Lois Newberry' if Lois Newberry advances against Natalia Sousa Salazar. 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 Natalia Sousa Salazar and Lois Newberry in the ITF Women Monastir, originally scheduled for June 18, 2026 at 4:30AM ET. This market will resolve to 'Natalia Sousa Salazar' if Natalia Sousa Salazar advances against Lois Newberry. This market will resolve to 'Lois Newberry' if Lois Newberry advances against Natalia Sousa Salazar. 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 lines to balance action and manage risk, while prediction markets aggregate beliefs from traders risking real capital. This market's odds may lead or lag traditional sportsbook pricing depending on information flow and trader conviction. Comparing the two can reveal where public perception and market-derived probabilities align or conflict.
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. The price of each outcome reflects the aggregate belief of all active traders, with higher prices indicating stronger conviction. As new information emerges or match conditions change, traders adjust their positions, causing prices to shift in real time. This continuous repricing mechanism ensures the market remains responsive to evolving expectations.
This market resolves around Jun 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual match winner as documented by official tennis records and reputable sports news sources. Until that point, traders can continue to adjust positions based on pre-match analysis, player form, and any breaking developments that might influence expectations.
Key catalysts include recent player performance data, injury reports, head-to-head records, and court surface conditions at the ITF Monastir venue. Tournament draws and seeding announcements can shift perceived difficulty. Closer to match day, warm-up results, player statements, and weather forecasts often trigger repricing. Late-breaking news about player fitness or withdrawal could cause sharp moves. Traders monitor these signals to anticipate shifts in win probability before the match begins.