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 23, 10:45 AM EST
Polymarket
This market refers to the tennis match between Miriana Tona and Marta Lombardini in the ITF Women San Gregorio, originally scheduled for June 16, 2026 at 10:45AM ET. This market will resolve to 'Miriana Tona' if Miriana Tona advances against Marta Lombardini. This market will resolve to 'Marta Lombardini' if Marta Lombardini advances against Miriana Tona. 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 Miriana Tona and Marta Lombardini in the ITF Women San Gregorio, originally scheduled for June 16, 2026 at 10:45AM ET. This market will resolve to 'Miriana Tona' if Miriana Tona advances against Marta Lombardini. This market will resolve to 'Marta Lombardini' if Marta Lombardini advances against Miriana Tona. 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 extract a margin, while prediction markets aggregate trader beliefs through continuous price discovery. This market may offer sharper or more reactive pricing than traditional sportsbooks, especially as match day approaches and new information surfaces. Comparing the two can reveal where one venue perceives edge or mispricing relative to the other, though each operates independently with distinct rules and liquidity.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The cost of each share reflects the collective probability assigned by the market; as more traders back one outcome, its price rises and the alternative falls. Liquidity and trading volume influence how easily prices move, and wider spreads may appear during low-activity periods. Real-time price discovery ensures the market continuously adjusts to new information and trader sentiment.
This market resolves around Jun 23, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official result of the ITF San Gregorio event, confirmed through established tennis authority records. Until that point, traders can adjust positions as match conditions, player updates, or other relevant signals emerge. Resolution timing may shift slightly if the event is postponed or rescheduled.
Player form and recent match results are primary drivers—strong performances or injury reports can shift odds significantly. Court conditions, weather forecasts, and head-to-head history also influence trader positioning. Betting syndicate activity and sharp money movements on external sportsbooks may cascade into this market as traders react to perceived value. Closer to match day, real-time updates on player fitness, warm-up results, or lineup confirmations typically trigger the most volatile repricing as uncertainty narrows.