TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 7, 3:10 AM EST
Polymarket
This market refers to the tennis match between Sijia Wei and Eri Shimizu in the W50 Guiyang, Qualifying, originally scheduled for September 6, 2026 at 11:00PM ET. This market will resolve to 'Sijia Wei' if Sijia Wei advances against Eri Shimizu. This market will resolve to 'Eri Shimizu' if Eri Shimizu advances against Sijia Wei. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 Sijia Wei and Eri Shimizu in the W50 Guiyang, Qualifying, originally scheduled for September 6, 2026 at 11:00PM ET. This market will resolve to 'Sijia Wei' if Sijia Wei advances against Eri Shimizu. This market will resolve to 'Eri Shimizu' if Eri Shimizu advances against Sijia Wei. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 participants, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on their own models and risk management, while this market is driven by individuals trading based on their own research and insights. It's common to see discrepancies between the two, especially before significant events or when new information emerges. Analyzing these differences can highlight areas where the crowd believes there's value or where sportsbooks may be mispricing the probability of an outcome.
On Polymarket, this market is priced through a continuous exchange where traders buy and sell shares representing their belief in the outcome of the Sijia Wei vs Eri Shimizu match. The price of these shares directly reflects the implied probability of each outcome. As more traders participate, the price adjusts to reflect the collective assessment of the event's likelihood. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform uses a constant product market maker model, meaning that the product of the share prices for all possible outcomes remains constant, ensuring liquidity and price discovery.
This market resolves around Sep 14, 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 Sijia Wei vs Eri Shimizu match, as reported by recognized sports authorities. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for the final result to understand how this market will be settled.
Several factors could influence the trading activity in this market leading up to Sep 14, 2026. Any news regarding player injuries, changes in playing conditions, or updated match previews could shift trader sentiment. Significant betting activity from well-known or respected traders could also trigger price movements. Unexpected announcements related to the tournament or the players involved may also cause fluctuations in the market. Monitoring these signals can provide insights into potential shifts in the perceived probability of each outcome.