TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 31, 2:09 PM EST
Polymarket
This market refers to the tennis match between Malwina Rowinska and Lani Chang in the W15 Sumter, SC, Main Draw, originally scheduled for October 31, 2026 at 10:00AM ET. This market will resolve to 'Malwina Rowinska' if Malwina Rowinska advances against Lani Chang. This market will resolve to 'Lani Chang' if Lani Chang advances against Malwina Rowinska. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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 Malwina Rowinska and Lani Chang in the W15 Sumter, SC, Main Draw, originally scheduled for October 31, 2026 at 10:00AM ET. This market will resolve to 'Malwina Rowinska' if Malwina Rowinska advances against Lani Chang. This market will resolve to 'Lani Chang' if Lani Chang advances against Malwina Rowinska. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own analysis and to balance action, while this market aggregates the beliefs of many individual traders. If a significant discrepancy exists between the two, opportunities for arbitrage may arise. It’s common to see prediction markets move faster than sportsbooks to incorporate new information, especially in response to breaking news or shifts in public opinion regarding the players involved in the Sumter tennis match.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the probability of each 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 assessment of the event. The current price reflects the aggregated predictions of all participants on Polymarket regarding the outcome of the Sumter tennis match.
This market resolves around Nov 7, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Sumter tennis match between Malwina Rowinska and Lani Chang as reported by a recognized tennis authority. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for the final result to understand how this market will settle.
Several factors could influence the trading activity and price movement in this market. Any news regarding player form, injuries, or changes to playing conditions could significantly shift expectations. Unexpected weather forecasts impacting the match schedule could also cause volatility. Furthermore, major upsets in other related tennis events or general shifts in public perception of the players’ chances could all contribute to changes in the odds for the Sumter tennis match. Traders should stay informed about these potential catalysts.