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 16, 11:00 PM EST
Polymarket
This market refers to the tennis match between Koki Matsuda and Makoto Ochi in the ITF Men Tokyo, originally scheduled for July 9, 2026 at 11:00PM ET. This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Makoto Ochi. This market will resolve to 'Makoto Ochi' if Makoto Ochi advances against Koki Matsuda. 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 Koki Matsuda and Makoto Ochi in the ITF Men Tokyo, originally scheduled for July 9, 2026 at 11:00PM ET. This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Makoto Ochi. This market will resolve to 'Makoto Ochi' if Makoto Ochi advances against Koki Matsuda. 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 aggregate beliefs from thousands of independent traders with real money at stake. Traders here profit by spotting mispricings, which can make prediction markets more efficient at reflecting ground truth over time. However, sportsbooks may move faster on breaking news or injuries because they actively manage their exposure. Comparing the two can reveal where smart money sees value relative to traditional betting markets.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. When you buy shares backing one player, the price rises; when you sell, it falls. The system ensures continuous liquidity by algorithmically adjusting the cost of each share based on the ratio of yes to no contracts outstanding. This mechanism rewards early, accurate forecasters and penalizes those who lag behind new information, creating strong incentives for traders to research the matchup thoroughly and update their positions as conditions change.
This market resolves around Jul 17, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect which player wins the ITF Tokyo event. Until that point, traders can continue to buy and sell shares as new information—such as recent form, injury updates, or head-to-head records—emerges. Early resolution may occur if one player withdraws or the match is cancelled, but the standard path is to wait for the official result and then settle all positions accordingly.
Several catalysts could shift trader sentiment before Jul 17, 2026. Recent tournament results, ranking changes, or public statements from either player about fitness or strategy may trigger repricing. Injury reports or withdrawal news would have an immediate impact. Head-to-head history, court surface preference, and performance in similar conditions also influence expectations. Media coverage highlighting one player's momentum or a rival's slump can sway the crowd. Weather forecasts closer to match day and any last-minute lineup or scheduling changes could also prompt traders to reassess their positions and adjust the odds.