TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 16, 12:59 PM EST
Polymarket
This market refers to the tennis match between Ana Sofia Sanchez and Marjorie Souza in the W15 Maceio, Main Draw, originally scheduled for October 16, 2026 at 9:00AM ET. This market will resolve to 'Ana Sofia Sanchez' if Ana Sofia Sanchez advances against Marjorie Souza. This market will resolve to 'Marjorie Souza' if Marjorie Souza advances against Ana Sofia Sanchez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 30, 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 Ana Sofia Sanchez and Marjorie Souza in the W15 Maceio, Main Draw, originally scheduled for October 16, 2026 at 9:00AM ET. This market will resolve to 'Ana Sofia Sanchez' if Ana Sofia Sanchez advances against Marjorie Souza. This market will resolve to 'Marjorie Souza' if Marjorie Souza advances against Ana Sofia Sanchez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 30, 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, often differing from initial sportsbook offerings. 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. As more information becomes available and more people trade, the prediction market odds can converge with, or diverge from, sportsbook odds depending on how the public perceives the likelihood of each player winning. It’s common to see prediction markets more accurately reflect true probabilities as the event approaches.
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. The more shares purchased for a particular outcome, the higher its price rises, and vice versa. This dynamic pricing ensures that the market reflects the collective intelligence of all participants, providing a real-time assessment of the likelihood of Ana Sofia Sanchez or Marjorie Souza winning the match.
This market resolves around Oct 23, 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 Maceio tennis match between Ana Sofia Sanchez and Marjorie Souza, as reported by a recognized tennis authority. The platform will verify the result against publicly available data to determine which player won the match and settle the market accordingly. Traders should monitor official sources for the final result to understand when the market will be finalized.
Several factors could influence the price of this market before the match concludes. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift the odds. Unexpected weather forecasts impacting the match schedule or court surface could also be catalysts. Furthermore, major shifts in public sentiment, perhaps driven by expert analysis or social media discussion, can also lead to changes in trading volume and price movements within this market. Monitoring these signals can help traders assess potential opportunities.