TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 2, 6:45 AM EST
Polymarket
This market refers to the tennis match between Arina Arifullina and Anna Donnell in the ITF Women Monastir, originally scheduled for June 25, 2026 at 6:45AM ET. This market will resolve to 'Arina Arifullina' if Arina Arifullina advances against Anna Donnell. This market will resolve to 'Anna Donnell' if Anna Donnell advances against Arina Arifullina. 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 Arina Arifullina and Anna Donnell in the ITF Women Monastir, originally scheduled for June 25, 2026 at 6:45AM ET. This market will resolve to 'Arina Arifullina' if Arina Arifullina advances against Anna Donnell. This market will resolve to 'Anna Donnell' if Anna Donnell advances against Arina Arifullina. 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 mechanisms and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets allow traders to freely buy and sell contracts based on their own probability estimates. Prediction markets tend to aggregate dispersed information efficiently over time, sometimes offering sharper or more responsive odds than static sportsbook lines. However, sportsbooks may incorporate real-time injury reports and late-breaking news faster in some cases. Comparing this market's odds to major sportsbook offerings can reveal where consensus differs and highlight potential value.
On Polymarket, traders set prices through an automated market maker (AMM) mechanism that adjusts odds based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the aggregate belief of all active traders; as more capital flows toward one outcome, the price shifts to incentivize balanced trading. Participants can buy or sell shares representing either player's victory, with the contract settling to 1 or 0 depending on the verified result. This continuous price discovery process ensures that odds remain responsive to new information and market sentiment throughout the event window.
This market resolves around Jul 2, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—specifically, which player wins the ITF Monastir tournament match. Resolution occurs after the event is confirmed through established tennis databases and official tournament records. Traders should monitor the match schedule and any official announcements to anticipate resolution timing, as delays or postponements could extend the market window.
Several factors may shift odds before resolution. Recent player form, head-to-head records, and injury updates can trigger significant repricing as new information emerges. Court surface conditions, weather forecasts, and player fitness reports released closer to match day often drive late trading activity. Unexpected withdrawals or schedule changes could also impact sentiment. Additionally, if one player posts a strong warm-up result or if betting syndicates adjust their positions based on proprietary analysis, volume and odds may spike. Monitoring tennis news outlets and official ITF communications will help traders anticipate potential catalysts.