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 9, 10:26 PM EST
Polymarket
This market refers to the doubles tennis match between Ho/Stalder and Hsieh/Isaro in the Shanghai, originally scheduled for September 6, 2026 at 9:00PM ET. This market will resolve to 'Ho/Stalder' if the team of Ho/Stalder advances against Hsieh/Isaro. This market will resolve to 'Hsieh/Isaro' if the team of Hsieh/Isaro advances against Ho/Stalder. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Ho/Stalder and Hsieh/Isaro in the Shanghai, originally scheduled for September 6, 2026 at 9:00PM ET. This market will resolve to 'Ho/Stalder' if the team of Ho/Stalder advances against Hsieh/Isaro. This market will resolve to 'Hsieh/Isaro' if the team of Hsieh/Isaro advances against Ho/Stalder. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market aggregates the beliefs of many individual traders. If a significant discrepancy exists, opportunities for arbitrage may arise. However, it's important to note that sportsbooks and prediction markets have different costs and incentives, which can lead to persistent differences in pricing even when considering the same event.
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 implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand; if more traders believe a particular outcome is likely, they will buy shares, driving up the price. Conversely, if traders become less confident, they will sell, lowering the price. This dynamic pricing reflects the collective intelligence of the market participants.
This market resolves around Sep 14, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official results of the Shanghai doubles match between Ho/Stalder and Hsieh/Isaro. The winning team, as determined by the official tournament organizers, will dictate the outcome of this market. Any disputes regarding the official result will be addressed using publicly available information and established tournament rules.
Several factors could influence trading activity in this market. News regarding player injuries, changes in playing conditions, or even shifts in public perception could all lead to price movements. Unexpected upsets in other matches within the tournament might also affect confidence in certain players or teams. Furthermore, any significant analysis released by tennis experts or commentators could sway trader sentiment and impact the volume and price of shares in this market.