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: Jul 2, 4:30 AM EST
Polymarket
This market refers to the tennis match between Sofia Avataneo and Matilde Mariani in the ITF Women Monastir, originally scheduled for June 25, 2026 at 4:30AM ET. This market will resolve to 'Sofia Avataneo' if Sofia Avataneo advances against Matilde Mariani. This market will resolve to 'Matilde Mariani' if Matilde Mariani advances against Sofia Avataneo. 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 Sofia Avataneo and Matilde Mariani in the ITF Women Monastir, originally scheduled for June 25, 2026 at 4:30AM ET. This market will resolve to 'Sofia Avataneo' if Sofia Avataneo advances against Matilde Mariani. This market will resolve to 'Matilde Mariani' if Matilde Mariani advances against Sofia Avataneo. 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 reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders risking real capital. This market may show odds that differ from major sportsbooks, especially as new information emerges or trading volume shifts. Comparing the two can reveal where consensus differs and highlight potential value opportunities for informed bettors.
On Polymarket, traders set the odds 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 current implied probability reflects the collective assessment of all active traders at any given moment. As new information surfaces—such as player form, injury updates, or head-to-head records—traders adjust their positions, moving the price up or down. This continuous repricing mechanism ensures the market stays responsive to real-world developments affecting the match.
This market resolves around Jul 2, 2026, once the ITF Monastir match between the two players concludes and the result is verified against credible public sources. The outcome is determined by the official match result recorded by the International Tennis Federation or recognized tennis databases. Until that point, traders can continue to buy and sell shares as odds fluctuate based on pre-match developments, player news, and shifting market sentiment.
Several factors could shift odds before the match takes place. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data often influence trader positioning. Court conditions, weather forecasts, and lineup confirmations closer to match day can also sway the market. Additionally, any coaching changes, fitness updates, or unexpected player statements may prompt traders to reassess their positions and adjust the implied probability.