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: Sep 16, 2:53 AM EST
Polymarket
This market refers to the tennis match between Sijia Wei and Ying Zhang in the W35 Shenyang, Main Draw, originally scheduled for September 15, 2026 at 10:00PM ET. This market will resolve to 'Sijia Wei' if Sijia Wei advances against Ying Zhang. This market will resolve to 'Ying Zhang' if Ying Zhang 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 29, 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 Ying Zhang in the W35 Shenyang, Main Draw, originally scheduled for September 15, 2026 at 10:00PM ET. This market will resolve to 'Sijia Wei' if Sijia Wei advances against Ying Zhang. This market will resolve to 'Ying Zhang' if Ying Zhang 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 29, 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 offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on models and internal analysis, while this market aggregates the views of many individuals. Discrepancies can arise due to differing information, biases, or simply varying interpretations of the available data. Examining these differences can be valuable for informed decision-making, though it’s important to remember that both prediction markets and sportsbooks can be subject to inaccuracies.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing their belief in the 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 new information becomes available, the price adjusts, providing a dynamic assessment of the event’s likelihood. The current price is determined entirely by supply and demand within the Polymarket marketplace, reflecting the aggregated predictions of its users.
This market resolves around Sep 23, 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 Ying Zhang match as reported by a recognized sports authority. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in team strategy, or even weather conditions could impact perceptions of each player's chances. Unexpected announcements or significant performance changes in prior matches could also lead to shifts in sentiment. Furthermore, large trading volume from informed participants could also cause noticeable price movements, as others react to their actions and adjust their own predictions.