TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 5, 2:37 AM EST
Polymarket
This market refers to the tennis match between Naoki Nakagawa and Kuan-Yi Lee in the M25 Urayasu, Main Draw, originally scheduled for September 4, 2026 at 9:00PM ET. This market will resolve to 'Naoki Nakagawa' if Naoki Nakagawa advances against Kuan-Yi Lee. This market will resolve to 'Kuan-Yi Lee' if Kuan-Yi Lee advances against Naoki Nakagawa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 2026, 11:59 PM ET (14 days after the scheduled start), 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 Kuan-Yi Lee in the M25 Urayasu, Main Draw, originally scheduled for September 4, 2026 at 9:00PM ET. This market will resolve to 'Naoki Nakagawa' if Naoki Nakagawa advances against Kuan-Yi Lee. This market will resolve to 'Kuan-Yi Lee' if Kuan-Yi Lee advances against Naoki Nakagawa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and ensure profit, incorporating a margin for themselves. This market, however, is driven by the collective wisdom of traders who are incentivized to accurately forecast the outcome. As a result, you might find that the implied probabilities in this market differ from sportsbook odds, potentially offering value for informed bettors. It's important to compare both to form your own opinion on the likely result.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the outcome of the Nakagawa vs Lee match. As more shares are purchased for a particular outcome, its price increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share represents the probability of that outcome occurring, and traders aim to profit by accurately predicting the result. The market dynamically adjusts to new information and changing sentiment, providing a real-time assessment of the potential winner.
This market resolves around Sep 12, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the M25 Urayasu match between Naoki Nakagawa and Kuan-Yi Lee. Any official announcements regarding the match’s result will be used to determine the winning outcome. Traders will be able to claim their winnings once the resolution is finalized on Polymarket.
Several factors could influence the price action of this market. Any news regarding the players’ form, injuries, or changes to their training regimens could significantly shift expectations. Public analysis and expert predictions about the match could also sway trader sentiment. Furthermore, significant betting activity – a large purchase of shares for one outcome – could cause a noticeable price movement. Even broader factors, such as overall public interest in the match, could contribute to changes in this market before it resolves.