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 6, 11:30 PM EST
Polymarket
This market refers to the tennis match between Yusuke Takahashi and Hiromasa Koyama in the ITF Men Tokyo, originally scheduled for June 29, 2026 at 11:30PM ET. This market will resolve to 'Yusuke Takahashi' if Yusuke Takahashi advances against Hiromasa Koyama. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Yusuke Takahashi. 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 Yusuke Takahashi and Hiromasa Koyama in the ITF Men Tokyo, originally scheduled for June 29, 2026 at 11:30PM ET. This market will resolve to 'Yusuke Takahashi' if Yusuke Takahashi advances against Hiromasa Koyama. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Yusuke Takahashi. 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 incentive structures. Sportsbooks set lines to balance action and protect their margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market's odds represent crowdsourced expectations from participants with real financial stakes, which can sometimes outpace or contradict traditional sportsbook lines. Comparing the two can reveal where the crowd sees value or where consensus differs, though both sources offer useful reference points for evaluating match probabilities.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price of each outcome reflects the collective assessment of all active traders, with shares priced between 0 and 100 cents to represent implied probability. As new information emerges or sentiment shifts, traders adjust their positions, causing prices to move in real time. This continuous repricing mechanism ensures the market stays responsive to changing expectations about the match result.
This market resolves around Jul 7, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution hinges on the official match result between the two competitors. Once the tournament concludes and the winner is established, this market will settle accordingly, paying out shares held by those who correctly predicted the outcome. Traders should monitor official tournament announcements and reliable sports news sources as the date approaches to stay informed.
Several factors could shift prices significantly before resolution. Injury reports or player withdrawals would trigger sharp repricing, as would recent tournament performance or head-to-head records becoming public. Changes in player rankings, coaching announcements, or surface-specific form updates could also influence trader positioning. Media coverage highlighting one competitor's momentum or weakness may sway sentiment. Court conditions, weather forecasts closer to the event date, and any official tournament updates could all prompt traders to reassess their positions and adjust prices accordingly.