TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 10:00 PM EST
Polymarket
This market refers to the tennis match between Naoya Honda and Naoki Nakagawa in the ITF Men Tokyo, originally scheduled for July 8, 2026 at 10:00PM ET. This market will resolve to 'Naoya Honda' if Naoya Honda advances against Naoki Nakagawa. This market will resolve to 'Naoki Nakagawa' if Naoki Nakagawa advances against Naoya Honda. 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 Naoya Honda and Naoki Nakagawa in the ITF Men Tokyo, originally scheduled for July 8, 2026 at 10:00PM ET. This market will resolve to 'Naoya Honda' if Naoya Honda advances against Naoki Nakagawa. This market will resolve to 'Naoki Nakagawa' if Naoki Nakagawa advances against Naoya Honda. 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 serve different purposes and attract different participant bases. Sportsbooks set odds to balance liability and profit, while prediction markets reflect pure trader consensus on outcome probability. Prediction markets can sometimes offer sharper pricing on niche events like lower-tier tennis matches, since they aggregate diverse expert opinion without the sportsbook's margin. However, sportsbooks may move faster on breaking news. Comparing both sources can reveal valuable discrepancies for informed bettors.
On Polymarket, traders set prices through an automated market maker that adjusts odds based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on a specific outcome, and the price reflects the collective probability estimate across all active traders. As more capital flows toward one outcome, its price rises and the alternative falls, creating a dynamic equilibrium. This mechanism ensures continuous liquidity and transparent pricing throughout the trading window.
This market resolves around Jul 16, 2026, once the match concludes and the result is verified against credible public sources. The outcome will be confirmed based on the official match result—either Honda or Nakagawa will be declared the winner. Resolution typically occurs shortly after the final point is played and the result is published by the tournament organizer or established sports data provider. Traders should monitor the event schedule to anticipate the likely resolution window.
Several factors could shift odds before the match concludes. Recent player form, head-to-head records, and injury updates are key catalysts. Court conditions, weather, and draw positioning at the ITF Tokyo event may also influence trader sentiment. Pre-match news—such as lineup confirmations, player statements, or coaching changes—typically triggers repricing. Live trading during the match itself can create sharp swings as the score develops. Monitoring tennis news outlets and official tournament updates will help you anticipate significant market moves.