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 15, 1:42 AM EST
Polymarket
This market refers to the tennis match between Matthew Shearer and Yaoyu Yang in the M25 Guiyang, Qualifying, originally scheduled for September 14, 2026 at 11:00PM ET. This market will resolve to 'Matthew Shearer' if Matthew Shearer advances against Yaoyu Yang. This market will resolve to 'Yaoyu Yang' if Yaoyu Yang advances against Matthew Shearer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 Matthew Shearer and Yaoyu Yang in the M25 Guiyang, Qualifying, originally scheduled for September 14, 2026 at 11:00PM ET. This market will resolve to 'Matthew Shearer' if Matthew Shearer advances against Yaoyu Yang. This market will resolve to 'Yaoyu Yang' if Yaoyu Yang advances against Matthew Shearer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the probability of that outcome occurring, as perceived by the market participants. 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 dynamically. This creates a real-time assessment of the likelihood of each possible result in the Guiyang M25 match. The market’s price is determined solely by supply and demand for shares on Polymarket.
This market resolves around Sep 22, 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 Guiyang M25 match between Matthew Shearer and Yaoyu Yang. The platform will verify the match result against established tennis reporting sources to determine the winning outcome. Traders holding shares in the winning outcome will be paid out according to the final market price at resolution, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of this market before Sep 22, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift sentiment. Unexpected results in preceding matches for either Matthew Shearer or Yaoyu Yang would also likely impact the market. Furthermore, broader tennis news, such as upsets involving similar players, could indirectly affect the perceived probabilities. Even weather forecasts for Guiyang could play a role, as conditions might favor one player’s style of play over the other, leading to adjustments in the market price.