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 10, 12:10 AM EST
Polymarket
This market refers to the tennis match between Julia Riera and Mary Stoiana in the Barranquilla, originally scheduled for September 9, 2026 at 5:30PM ET. This market will resolve to 'Julia Riera' if Julia Riera advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Julia Riera. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Julia Riera and Mary Stoiana in the Barranquilla, originally scheduled for September 9, 2026 at 5:30PM ET. This market will resolve to 'Julia Riera' if Julia Riera advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Julia Riera. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market aggregates the opinions of individuals willing to put their capital at risk. Discrepancies can arise due to differing information, biases, or simply variations in risk assessment. It's common to see prediction markets move faster to incorporate new information, potentially leading to odds that diverge from those offered by sportsbooks, especially as the event draws closer.
This market resolves around Sep 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Julia Riera vs Mary Stoiana match as reported by the governing tennis authorities. The platform will verify the result against established sources to ensure accuracy. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment. The final result will be clearly displayed on Polymarket.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected upsets in other matches involving these players, or broader shifts in public perception of their capabilities, could also play a role. Major announcements related to the tournament itself, such as changes to the schedule or venue, might also trigger movement. Ultimately, any information that alters the perceived probability of either player winning is likely to be reflected in the market price.