TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 11:00 PM EST
Polymarket
This market refers to the tennis match between Matthew Dellavedova and Koki Matsuda in the ITF Men Tokyo, originally scheduled for July 2, 2026 at 11:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Koki Matsuda. This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Matthew Dellavedova. 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 Matthew Dellavedova and Koki Matsuda in the ITF Men Tokyo, originally scheduled for July 2, 2026 at 11:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Koki Matsuda. This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Matthew Dellavedova. 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 traditional sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven purely by trader conviction and information flow. This market may show sharper or slower adjustments to breaking news depending on whether informed traders have already positioned themselves. Comparing the two can reveal mispricings, though sportsbook odds typically incorporate professional sharp action and injury reports faster than crowd-driven prediction markets.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker pool. 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 cumulative bets placed, with the odds updating continuously as new trades flow in. Liquidity depth and recent volume determine how quickly large orders move the line. Traders profit by identifying mispriced outcomes before the broader market corrects, creating an incentive for early information discovery and sharp positioning ahead of the match.
This market resolves around Jul 10, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official match winner as reported by the ITF and major tennis databases. No ambiguity typically surrounds singles tennis results, making resolution straightforward. Traders should monitor for any scheduling changes, walkovers, or disqualifications that could affect the final determination before the resolution deadline.
Injury reports, recent form updates, and head-to-head record releases often trigger sharp repricing in tennis markets. Court surface conditions, weather forecasts, and player fatigue from prior rounds can shift trader positioning. News of coaching changes, equipment issues, or mental health disclosures may also influence odds. Pre-match interviews and official draw confirmations typically drive final volume spikes. Traders watching this market should track ATP/ITF injury bulletins, social media sentiment from tennis analysts, and any last-minute lineup adjustments that could alter perceived match difficulty.