TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 15, 2:10 PM EST
Polymarket
This market refers to the tennis match between Giulia Gomes Ferreira and Josefina Estevez in the W15 Sao Luis, Main Draw, originally scheduled for September 15, 2026 at 11:30AM ET. This market will resolve to 'Giulia Gomes Ferreira' if Giulia Gomes Ferreira advances against Josefina Estevez. This market will resolve to 'Josefina Estevez' if Josefina Estevez advances against Giulia Gomes Ferreira. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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 Giulia Gomes Ferreira and Josefina Estevez in the W15 Sao Luis, Main Draw, originally scheduled for September 15, 2026 at 11:30AM ET. This market will resolve to 'Giulia Gomes Ferreira' if Giulia Gomes Ferreira advances against Josefina Estevez. This market will resolve to 'Josefina Estevez' if Josefina Estevez advances against Giulia Gomes Ferreira. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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 may set initial lines based on statistical models and expert analysis, while this market aggregates the opinions of many individual traders. If a significant number of traders believe a sportsbook has mispriced a player's chances, the odds on Polymarket may move in the opposite direction. It's common to see discrepancies, especially before the event begins, as information and sentiment evolve.
This market resolves around Sep 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Sao Luis tennis match between Giulia Gomes Ferreira and Josefina Estevez. The platform will verify the result against established sports data sources to determine which player emerged victorious and settle the market accordingly. Traders holding shares in the winning outcome will receive a payout.
Several factors could influence the price of this market before the match concludes. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could shift trader sentiment. Unexpected announcements about player strategies or coaching changes could also play a role. Even broader factors, like shifts in public opinion or significant betting activity elsewhere, might impact the market. Monitoring these signals will be key to understanding potential price movements in this market.