TOTAL VOLUME:
$154.7b
24H VOL:
$279,496,801
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,923,931,766
416,910
Markets across
40,107
events
MATCHED EVENTS:
4,571
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 8:03 PM EST
Polymarket
This market refers to the tennis match between Sophie Williams and Yael Saffar in the W15 Sumter, SC, Main Draw, originally scheduled for October 28, 2026 at 12:00PM ET. This market will resolve to 'Sophie Williams' if Sophie Williams advances against Yael Saffar. This market will resolve to 'Yael Saffar' if Yael Saffar advances against Sophie Williams. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 Sophie Williams and Yael Saffar in the W15 Sumter, SC, Main Draw, originally scheduled for October 28, 2026 at 12:00PM ET. This market will resolve to 'Sophie Williams' if Sophie Williams advances against Yael Saffar. This market will resolve to 'Yael Saffar' if Yael Saffar advances against Sophie Williams. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 reflect the wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. It’s common to see discrepancies, especially before significant events or when public perception differs from expert analysis. Comparing the odds can highlight areas where the market anticipates a different result than conventional wisdom suggests, providing valuable insights for informed decision-making.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more people buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the collective assessment of all traders participating in this market, making it a dynamic and responsive indicator of expectations for the Williams vs Saffar match.
This market resolves around Nov 4, 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 W15 Sumter, SC tennis match between Sophie Williams and Yael Saffar. The platform will identify the winner based on publicly available scores and tournament results. This ensures a transparent and objective determination of the market’s outcome, reflecting the actual result of the sporting event.
Several factors could influence the price of this market before Nov 4, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. For example, reports of a minor injury to one of the players, or confirmation of favorable conditions for a particular playing style, could lead to increased trading activity and a change in the odds. Unexpected upsets in other matches within the tournament could also influence sentiment, as traders adjust their assessments of overall player capabilities and momentum.