TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 2:45 PM EST
Polymarket
This market refers to the tennis match between Ellery Mendell and Anita Sahdiieva in the W15 Sumter, SC, Main Draw, originally scheduled for October 28, 2026 at 10:00AM ET. This market will resolve to 'Ellery Mendell' if Ellery Mendell advances against Anita Sahdiieva. This market will resolve to 'Anita Sahdiieva' if Anita Sahdiieva advances against Ellery Mendell. 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 Ellery Mendell and Anita Sahdiieva in the W15 Sumter, SC, Main Draw, originally scheduled for October 28, 2026 at 10:00AM ET. This market will resolve to 'Ellery Mendell' if Ellery Mendell advances against Anita Sahdiieva. This market will resolve to 'Anita Sahdiieva' if Anita Sahdiieva advances against Ellery Mendell. 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 collective wisdom of a diverse group of bettors, potentially differing from those offered by traditional sportsbooks. Sportsbooks set lines based on their own models and need to account for profit margins, while this market is driven purely by trader sentiment. It’s common to see discrepancies, especially when there’s significant public information or disagreement about the likely outcome. Comparing the two can reveal insights into where the crowd believes value lies, and whether there’s a potential edge to be found in either venue.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Mendell vs Sahdiieva match. The price of these shares fluctuates based on supply and demand, effectively creating a probability estimate. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more people buy shares in a particular outcome, its price increases, and vice versa. This dynamic pricing reflects the aggregated predictions of all participants in the market, offering a real-time assessment of the likely winner.
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 Mendell vs Sahdiieva match as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome is declared the winner. This ensures a transparent and objective resolution process for all traders participating in this market.
Several factors could influence the price of shares in this market before Nov 4, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected upsets in other matches leading up to the event might also impact perceptions of each player’s chances. Furthermore, large volume trades from informed bettors could cause noticeable price movements, reflecting new information or strategic positioning. Monitoring these signals will be key to understanding how this market evolves.