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: Jun 24, 9:00 PM EST
Polymarket
This market refers to the tennis match between Tai Leonard Sach and Yuto Oki in the ITF Men Tokyo, originally scheduled for June 17, 2026 at 9:00PM ET. This market will resolve to 'Tai Leonard Sach' if Tai Leonard Sach advances against Yuto Oki. This market will resolve to 'Yuto Oki' if Yuto Oki advances against Tai Leonard Sach. 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 Tai Leonard Sach and Yuto Oki in the ITF Men Tokyo, originally scheduled for June 17, 2026 at 9:00PM ET. This market will resolve to 'Tai Leonard Sach' if Tai Leonard Sach advances against Yuto Oki. This market will resolve to 'Yuto Oki' if Yuto Oki advances against Tai Leonard Sach. 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 lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs about the outcome. This market aggregates dispersed information from many independent participants, which can sometimes surface insights before traditional oddsmakers adjust their lines. Comparing the two can reveal where smart money is positioning itself relative to conventional betting markets.
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 share reflects the collective belief about which player will win, with higher prices indicating stronger confidence. As new information emerges or sentiment shifts, traders adjust their positions, moving the odds in real time. This decentralized pricing mechanism means the market continuously incorporates fresh signals and trader conviction, creating a dynamic reflection of expected probabilities.
This market resolves around Jun 25, 2026, once the ITF Tokyo match between the two competitors concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. Until that point, traders can continue to buy and sell shares as new information, injury reports, or other developments influence their expectations. Resolution is automatic once the event occurs and the winner is confirmed through reliable sources.
Several factors could shift trader sentiment and move prices in this market. Recent performance and head-to-head records between the players often influence confidence levels. Injury announcements, changes in court conditions, or withdrawal news can trigger sharp repricing. Betting activity on external sportsbooks may also signal shifting expectations that traders incorporate. Closer to the event date, warm-up tournament results or player statements can provide fresh conviction signals. Any unexpected development affecting either competitor's fitness or form could prompt significant trading volume and price movement.