TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 8, 5:00 PM EST
Polymarket
This market refers to the tennis match between Arantxa Rus and Malaika Rapolu in the W50 Lexington, SC, Main Draw, originally scheduled for October 8, 2026 at 10:00AM ET. This market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Malaika Rapolu. This market will resolve to 'Malaika Rapolu' if Malaika Rapolu advances against Arantxa Rus. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 22, 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 Arantxa Rus and Malaika Rapolu in the W50 Lexington, SC, Main Draw, originally scheduled for October 8, 2026 at 10:00AM ET. This market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Malaika Rapolu. This market will resolve to 'Malaika Rapolu' if Malaika Rapolu advances against Arantxa Rus. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 22, 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, which can differ from those initially set by sportsbooks. Sportsbooks establish lines based on their own models and aim to balance action on both sides, while this market aggregates the beliefs of many individual traders. It's common to see prediction market odds move independently of sportsbook odds, especially as new information emerges or public opinion shifts. Discrepancies can present opportunities for informed traders who believe the market has identified a mispricing relative to the true probability of an outcome.
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 a share directly corresponds to the implied probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective assessment of the event. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This means that the market price isn't determined by a central authority but emerges from the interactions of many individuals, creating a dynamic and potentially more accurate forecast.
This market resolves around Oct 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W50 Lexington, SC tennis match between Arantxa Rus and Malaika Rapolu. The platform will verify the result against widely available sources to ensure accuracy. The market will then settle, and traders will receive payouts based on the final outcome and their positions in the market. It’s important to monitor the event closely as the resolution date approaches.
Several factors could influence the price of this market. Any news regarding player form, injuries, or changes in playing conditions could shift trader sentiment. Unexpected results in other matches involving these players could also impact the perceived probabilities. Even broader factors, such as weather forecasts for the tournament location, might play a role. Increased media attention or public discussion about the match could also drive trading volume and price movements, as new information and opinions enter the market.