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: Jul 8, 11:00 PM EST
Polymarket
This market refers to the tennis match between Taisei Ichikawa and Kasidit Samrej in the ITF Men Tokyo, originally scheduled for July 1, 2026 at 11:00PM ET. This market will resolve to 'Taisei Ichikawa' if Taisei Ichikawa advances against Kasidit Samrej. This market will resolve to 'Kasidit Samrej' if Kasidit Samrej advances against Taisei Ichikawa. 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 Taisei Ichikawa and Kasidit Samrej in the ITF Men Tokyo, originally scheduled for July 1, 2026 at 11:00PM ET. This market will resolve to 'Taisei Ichikawa' if Taisei Ichikawa advances against Kasidit Samrej. This market will resolve to 'Kasidit Samrej' if Kasidit Samrej advances against Taisei Ichikawa. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven purely by trader belief and capital allocation. This market may show a different probability than traditional sports betting sites because traders here have direct financial exposure to accuracy, creating a real-time consensus forecast. Comparing the two can reveal where professional bettors and casual traders disagree, though both sources offer valuable signals about match likelihood.
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. Each share represents a claim on one player winning, and the current price reflects the collective probability estimate. When you buy shares at a lower price, you're betting the true probability is higher; selling at a higher price means you think it's lower. The spread between bid and ask prices tightens as more volume flows through the market, making pricing more efficient and reflective of genuine trader conviction.
This market resolves around Jul 9, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by which player wins the ITF Tokyo event. Until that point, traders can continue to buy and sell shares based on evolving expectations. Resolution happens automatically once the match is officially confirmed, at which time winning shares pay out and losing shares expire worthless.
Several factors could shift odds before the match plays out. Recent tournament results, player injury reports, or changes in ranking points at stake may alter trader expectations. Court surface conditions, weather forecasts, and head-to-head history can also influence sentiment. News about either player's form, mental state, or off-court circumstances may trigger repricing. Large trades from informed participants can move prices sharply, and as the match date approaches, any last-minute developments—such as withdrawal or late-breaking performance data—could drive significant market movement.