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: Jul 7, 9:00 PM EST
Polymarket
This market refers to the tennis match between Naoki Nakagawa and Ryota Tanuma in the ITF Men Tokyo, originally scheduled for June 30, 2026 at 9:00PM ET. This market will resolve to 'Naoki Nakagawa' if Naoki Nakagawa advances against Ryota Tanuma. This market will resolve to 'Ryota Tanuma' if Ryota Tanuma advances against Naoki Nakagawa. 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 Naoki Nakagawa and Ryota Tanuma in the ITF Men Tokyo, originally scheduled for June 30, 2026 at 9:00PM ET. This market will resolve to 'Naoki Nakagawa' if Naoki Nakagawa advances against Ryota Tanuma. This market will resolve to 'Ryota Tanuma' if Ryota Tanuma advances against Naoki Nakagawa. 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 operate under different constraints. Sportsbooks set lines to balance action and manage risk, while prediction markets reflect pure trader belief through continuous price discovery. Prediction markets typically aggregate dispersed information from many participants with real financial stakes, sometimes revealing edges that sportsbooks have not yet priced in. Comparing this market's odds to major sportsbook lines can highlight where the two venues disagree most sharply on the likely outcome.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing into one outcome, the higher its price rises, and vice versa. This continuous mechanism ensures that prices adjust instantly to reflect new information, breaking news, or shifts in trader conviction. Liquidity depth determines how much slippage you experience on larger trades, so monitoring the order book helps you execute efficiently.
This market resolves around Jul 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will reflect the official match result as documented by the ITF or other authoritative tennis sources. Until that date, prices will fluctuate based on player news, injury updates, recent form, and other factors that traders believe affect the likelihood of each outcome. Once the match concludes and the result is confirmed, the market will settle accordingly.
Several catalysts could shift prices significantly before resolution. Injury announcements or withdrawals involving either player would trigger sharp repricing. Recent tournament results, ranking changes, or head-to-head record updates may alter trader expectations. Court surface conditions and weather forecasts closer to the event date often influence tennis outcomes and thus market sentiment. Media coverage highlighting one player's form or momentum can also sway the crowd. Watch for any official ITF schedule changes or venue updates that might affect match dynamics.