TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 9:00 PM EST
Polymarket
This market refers to the tennis match between Kosuke Ogura and Keisuke Saitoh in the ITF Men Tokyo, originally scheduled for June 16, 2026 at 9:00PM ET. This market will resolve to 'Kosuke Ogura' if Kosuke Ogura advances against Keisuke Saitoh. This market will resolve to 'Keisuke Saitoh' if Keisuke Saitoh advances against Kosuke Ogura. 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 Kosuke Ogura and Keisuke Saitoh in the ITF Men Tokyo, originally scheduled for June 16, 2026 at 9:00PM ET. This market will resolve to 'Kosuke Ogura' if Kosuke Ogura advances against Keisuke Saitoh. This market will resolve to 'Keisuke Saitoh' if Keisuke Saitoh advances against Kosuke Ogura. 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 odds to balance their book and manage risk, while prediction markets aggregate the beliefs of traders risking real capital. This market may show a different implied probability than traditional sports betting sites, especially if one venue has sharper information or attracts different types of bettors. Comparing the two can reveal where consensus is strongest and where outlier views exist in the broader betting ecosystem.
On Polymarket, traders set the price of outcome shares through an automated market maker or order-book mechanism, with each share representing a claim on one possible result. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the collective willingness of traders to buy or sell at that level, and it updates continuously as new orders flow in. Your profit or loss depends on whether you bought low and sold high, or held until resolution and collected the full payout if your outcome occurred.
This market resolves around Jun 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome will be determined by the official result of the match between Ogura and Saitoh at the ITF Tokyo tournament. Once the match concludes and the result is confirmed, the market will settle and holders of the winning outcome will receive their payout automatically.
Market prices may shift based on player rankings, recent form, head-to-head records, and any injury or withdrawal announcements. News about court conditions, weather, or tournament scheduling can also influence trader sentiment. As the match date approaches, updated betting information from sportsbooks and social media discussion among tennis analysts may drive new trading activity. Finally, live updates during the match itself—such as early set results or momentum shifts—could prompt last-minute repricing if the market remains open during play.