TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 15, 1:43 PM EST
Polymarket
This market refers to the tennis match between Julia Riera and Elina Avanesyan in the Sao Paulo Open, originally scheduled for September 14, 2026 at 9:00AM ET. This market will resolve to 'Julia Riera' if Julia Riera advances against Elina Avanesyan. This market will resolve to 'Elina Avanesyan' if Elina Avanesyan 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 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Julia Riera and Elina Avanesyan in the Sao Paulo Open, originally scheduled for September 14, 2026 at 9:00AM ET. This market will resolve to 'Julia Riera' if Julia Riera advances against Elina Avanesyan. This market will resolve to 'Elina Avanesyan' if Elina Avanesyan 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 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds offer a distinct perspective compared to traditional sportsbooks. Sportsbooks often incorporate a ‘vig’ or commission into their odds, representing their profit margin. This market, driven by the collective intelligence of traders on Polymarket, aims to reflect the true probabilities as perceived by participants. While sportsbooks may initially set odds based on expert analysis, this market dynamically adjusts based on real-time trading activity and new information, potentially revealing discrepancies between public perception and professional assessments.
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 these shares directly reflects the implied probability of that outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a specific outcome, the higher its price rises, indicating growing confidence among traders. This creates a dynamic and responsive pricing system that adapts to new information and changing sentiment regarding the Sao Paulo Open match.
This market resolves around Sep 21, 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 match between Julia Riera and Elina Avanesyan as reported by the tournament organizers. The market will determine which player won the match, and that result will be used to settle all outstanding shares. Traders should monitor official sources for the final result to understand the resolution process.
Several factors could influence trading activity in this market leading up to Sep 21, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected results in earlier rounds of the Sao Paulo Open, or even broader trends in women’s tennis, could also impact the odds. Furthermore, significant betting activity from informed traders or large volume purchases could trigger price movements, reflecting new insights or strategic positions on Polymarket.