TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 8, 4:00 AM EST
Polymarket
This market refers to the tennis match between Valeriia Artemeva and Melinda Biro in the ITF Women Mogyorod, originally scheduled for July 1, 2026 at 4:00AM ET. This market will resolve to 'Valeriia Artemeva' if Valeriia Artemeva advances against Melinda Biro. This market will resolve to 'Melinda Biro' if Melinda Biro advances against Valeriia Artemeva. 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 Valeriia Artemeva and Melinda Biro in the ITF Women Mogyorod, originally scheduled for July 1, 2026 at 4:00AM ET. This market will resolve to 'Valeriia Artemeva' if Valeriia Artemeva advances against Melinda Biro. This market will resolve to 'Melinda Biro' if Melinda Biro advances against Valeriia Artemeva. 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 their book and lock in profit margins, while prediction markets like this one are driven by traders seeking to profit from accurate forecasting. This market aggregates the collective judgment of many independent participants without a built-in margin, which can sometimes yield sharper or more efficient pricing than traditional sportsbooks. Comparing the two can reveal where smart money sees value.
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 demand and supply from all participants, with the current odds displayed as a percentage probability. As new information emerges or trader sentiment shifts, prices adjust in real time. You can enter or exit positions at any time before the market closes, and your trades directly influence the odds available to the next participant.
This market resolves around Jul 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will reflect the actual result of the match between the two players. Until that time, traders can continue to buy and sell shares based on their expectations. Once the match concludes and the winner is officially recorded, the market will settle and payouts will be distributed to holders of the winning outcome.
Several factors could shift odds before the match takes place. Recent performance data, head-to-head records, and player rankings may influence trader sentiment as new information surfaces. Court conditions, weather, and player injury updates can also trigger repricing. Media coverage and expert commentary often prompt traders to reassess their positions. Additionally, changes in betting patterns on other platforms or sportsbooks may signal shifting expectations. Any announcement affecting either player's fitness or form could cause sharp moves in this market.