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%
W15 Belem: Isadora Sigrist vs Josefina Estevez
- Polymarket
W15 Belem: Isadora Sigrist vs Josefina Estevez - Polymarket
1W
News
Positive
Negative
Neutral
Hover marker for details
Vol.
·
Resolved Sep 23, 2026
Closed: Sep 23, 5:21 PM EST
Polymarket
This market refers to the tennis match between Isadora Sigrist and Josefina Estevez in the W15 Belem, Main Draw, originally scheduled for September 23, 2026 at 2:00PM ET. This market will resolve to 'Isadora Sigrist' if Isadora Sigrist advances against Josefina Estevez. This market will resolve to 'Josefina Estevez' if Josefina Estevez advances against Isadora Sigrist. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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 Isadora Sigrist and Josefina Estevez in the W15 Belem, Main Draw, originally scheduled for September 23, 2026 at 2:00PM ET. This market will resolve to 'Isadora Sigrist' if Isadora Sigrist advances against Josefina Estevez. This market will resolve to 'Josefina Estevez' if Josefina Estevez advances against Isadora Sigrist. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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.
Prediction market odds often provide a different perspective than traditional sportsbooks. Sportsbooks set lines to balance their risk and incorporate a profit margin, while this market reflects the aggregated wisdom of crowd predictions. Discrepancies can arise from differing information sources, biases, or simply variations in how each assesses the probabilities. If significant differences exist between this market and sportsbook odds, it could indicate an opportunity for value betting, depending on your own analysis of the 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. As more traders participate, the price adjusts to reflect the collective forecast. The current price indicates what the market as a whole believes is the likelihood of a particular result in the Isadora Sigrist vs Josefina Estevez match.
This market resolves around Sep 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Isadora Sigrist vs Josefina Estevez match as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome is the winner and distribute payouts accordingly. This ensures a transparent and objective resolution process.
Several factors could influence trading activity in this market leading up to Sep 30, 2026. Any news regarding player form, injuries, or changes in playing conditions could shift the odds. Unexpected upsets in other matches involving these players, or broader trends in tennis performance, might also impact sentiment. Major shifts in public opinion, reflected in polls or expert analysis, could also contribute to price movement, as traders react to new information and adjust their predictions for the Isadora Sigrist vs Josefina Estevez match.