TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 21, 3:34 AM EST
Polymarket
This market refers to the tennis match between Guyu Xu and Ha Yoon Son in the W15 Maanshan, Qualifying, originally scheduled for September 20, 2026 at 9:30PM ET. This market will resolve to 'Guyu Xu' if Guyu Xu advances against Ha Yoon Son. This market will resolve to 'Ha Yoon Son' if Ha Yoon Son advances against Guyu Xu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 Guyu Xu and Ha Yoon Son in the W15 Maanshan, Qualifying, originally scheduled for September 20, 2026 at 9:30PM ET. This market will resolve to 'Guyu Xu' if Guyu Xu advances against Ha Yoon Son. This market will resolve to 'Ha Yoon Son' if Ha Yoon Son advances against Guyu Xu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and to balance action, while this market represents the aggregated predictions of many individual traders. If a significant discrepancy exists between this market and sportsbook odds, it could indicate that traders possess information or insights not fully incorporated into the sportsbook’s assessment. However, it’s important to remember that both represent probabilities and are subject to change based on new information.
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 corresponds to 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 fluctuates, reflecting the collective intelligence of the crowd. The current probability of a particular outcome is determined by the share price relative to $1, with higher prices indicating a greater likelihood of that outcome.
This market resolves around Sep 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W15 Maanshan tennis match between Guyu Xu and Ha Yoon Son. The platform will verify the match results against trusted sources to determine the winning player. Traders who correctly predicted the outcome will receive a payout based on the final market price at the time of resolution, while those who predicted incorrectly will forfeit their stake.
Several factors could influence the price of this market before the match concludes. Any news regarding player injuries, changes in weather conditions at the Maanshan venue, or updates on player form could all impact trader sentiment. Unexpected results in other matches involving either player might also lead to shifts in the market. Furthermore, large trading volume from informed traders could signal new information or a change in expectations, causing the odds to adjust accordingly. Monitoring these signals will be key to understanding potential movements in this market.