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 22, 2:07 AM EST
Polymarket
This market refers to the tennis match between Tiana Tian Deng and Sera Nishimoto in the W50 Nanao, Qualifying, originally scheduled for September 21, 2026 at 10:00PM ET. This market will resolve to 'Tiana Tian Deng' if Tiana Tian Deng advances against Sera Nishimoto. This market will resolve to 'Sera Nishimoto' if Sera Nishimoto advances against Tiana Tian Deng. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 Tiana Tian Deng and Sera Nishimoto in the W50 Nanao, Qualifying, originally scheduled for September 21, 2026 at 10:00PM ET. This market will resolve to 'Tiana Tian Deng' if Tiana Tian Deng advances against Sera Nishimoto. This market will resolve to 'Sera Nishimoto' if Sera Nishimoto advances against Tiana Tian Deng. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of forecasters, potentially differing from those offered by traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market is driven by individuals willing to put their capital behind their beliefs. It’s common to see discrepancies, especially when subjective factors or less-publicly available information are considered. These differences can present opportunities for arbitrage, where traders seek to profit from price inefficiencies between the two types of markets.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of these shares directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and express their views, the price adjusts, providing a dynamic assessment of the event's potential results. The market’s price is solely determined by supply and demand within Polymarket.
This market resolves around Sep 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W50 Nanao match between Tiana Tian Deng and Sera Nishimoto. The platform will verify the outcome against publicly available sources to determine the winning outcome. Traders who correctly predicted the result will be paid out according to the final market prices at the time of resolution.
Several factors could influence the price of this market before Sep 29, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. Unexpected results in other matches involving these players or their competitors might also impact the market. Furthermore, large trades or shifts in sentiment among prominent traders on Polymarket could create noticeable price movements. Monitoring these signals will be key to understanding potential shifts in the market’s assessment of the match’s outcome.