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 18, 9:00 PM EST
Polymarket
This market refers to the tennis match between Hikaru Shiraishi and Kosuke Ogura in the ITF Men Tokyo, originally scheduled for June 11, 2026 at 9:00PM ET. This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Kosuke Ogura. This market will resolve to 'Kosuke Ogura' if Kosuke Ogura advances against Hikaru Shiraishi. 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 Hikaru Shiraishi and Kosuke Ogura in the ITF Men Tokyo, originally scheduled for June 11, 2026 at 9:00PM ET. This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Kosuke Ogura. This market will resolve to 'Kosuke Ogura' if Kosuke Ogura advances against Hikaru Shiraishi. 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 aggregate the beliefs of traders risking real capital on outcomes. This market may show odds that differ from traditional sports betting sites, particularly if prediction market traders have access to different information or hold contrarian views. Comparing the two can reveal where consensus breaks down and which venue's participants are more bullish on a particular outcome.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell pressure. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing toward one outcome, the higher its price climbs; conversely, selling pressure drives prices down. This continuous repricing mechanism means the market reflects the collective assessment of all active traders at any given moment, with prices tightening as the match approaches and new information emerges.
This market resolves around Jun 19, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, determining which player prevails in the ITF Tokyo event. Until that point, traders can continue to buy and sell shares, with prices potentially shifting as match day approaches and any relevant news or player updates surface.
Several factors may shift odds before the match takes place. Injury announcements or fitness updates for either player could trigger sharp repricing, as could recent tournament results or head-to-head record developments. Changes in player rankings, court conditions at the venue, or broader ITF circuit momentum may also influence trader sentiment. Media coverage, betting syndicate activity, or shifts in public perception about either competitor's form could accelerate price movement, especially in the final days leading up to the event.