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 12, 5:26 PM EST
Polymarket
This market refers to the tennis match between Xiaodi You and Luiza Fullana in the Sao Paulo Open, Qualification, originally scheduled for September 12, 2026 at 9:00AM ET. This market will resolve to 'Xiaodi You' if Xiaodi You advances against Luiza Fullana. This market will resolve to 'Luiza Fullana' if Luiza Fullana advances against Xiaodi You. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Xiaodi You and Luiza Fullana in the Sao Paulo Open, Qualification, originally scheduled for September 12, 2026 at 9:00AM ET. This market will resolve to 'Xiaodi You' if Xiaodi You advances against Luiza Fullana. This market will resolve to 'Luiza Fullana' if Luiza Fullana advances against Xiaodi You. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 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 WTA Tour. A consensus of credible reporting may also be used.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and incorporate a profit margin, while this market is driven purely by traders' willingness to buy or sell based on their beliefs. If a significant discrepancy exists between this market and sportsbook odds, it could indicate that traders possess information or insights not fully captured by the sportsbook's assessment. However, it’s important to remember that both represent probabilities of an outcome, and differences can arise due to varying analytical approaches.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a particular 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. As more traders participate and express their views, the price adjusts to reflect the collective prediction. This dynamic pricing ensures the market remains responsive to new information and changing sentiment surrounding the You vs Fullana match. The current price reflects the aggregated assessment of all traders on Polymarket.
This market resolves around Sep 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Sao Paulo Open qualification match between Xiaodi You and Luiza Fullana, as reported by an authoritative sports source. The market will determine which player advanced to the next stage of the tournament based on the official match results. Traders will be able to see the final outcome reflected in the market's settlement data following the event's completion.
Several factors could influence the trading activity in this market before resolution. Any news regarding player form, injuries, or changes to playing conditions could significantly shift trader sentiment. Unexpected results in other matches involving these players, or broader tournament upsets, might also impact the perceived probabilities. Additionally, large trading volume from informed participants could indicate a shift in expectations. Monitoring these signals will be crucial for understanding how the market evolves leading up to the Sep 19, 2026 resolution of the You vs Fullana match.