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 17, 12:53 AM EST
Polymarket
This market refers to the tennis match between Mary Stoiana and Rinko Matsuda in the Japan Women's Open, Qualification, originally scheduled for October 16, 2026 at 10:30PM ET. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Rinko Matsuda. This market will resolve to 'Rinko Matsuda' if Rinko Matsuda advances against Mary Stoiana. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Mary Stoiana and Rinko Matsuda in the Japan Women's Open, Qualification, originally scheduled for October 16, 2026 at 10:30PM ET. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Rinko Matsuda. This market will resolve to 'Rinko Matsuda' if Rinko Matsuda advances against Mary Stoiana. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their odds based on statistical models and expert analysis, while this market aggregates the beliefs of many individuals. It's common to see discrepancies between the two, especially before significant events or when new information emerges. These differences can arise from varying levels of information access, biases, or simply differing interpretations of the available data. Observing these differences can be insightful for anyone following the Stoiana vs Matsuda match.
On Polymarket, this market is priced through a continuous exchange where traders buy and sell shares representing their belief in the outcome of the Stoiana vs Matsuda match. The price of these shares fluctuates based on supply and demand, directly reflecting the collective probability assigned to each possible result. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts to incorporate this knowledge. This creates a dynamic pricing mechanism that aims to accurately represent the perceived likelihood of each player winning, as determined by the market participants themselves.
This market resolves around Oct 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Japan Women's Open Qualification match between Mary Stoiana and Rinko Matsuda. The platform will verify the result against publicly available sources to determine the winning player and settle the market accordingly. Traders should monitor official tournament results to understand how this market will be settled. The outcome will be determined by the official result of the match.
Several signals or events could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected announcements about team strategies or coaching decisions might also lead to price movements. Furthermore, major shifts in public opinion, reflected in betting patterns or expert analysis, could also influence the market. Monitoring these factors will be crucial for understanding potential shifts in the perceived probabilities surrounding the Stoiana vs Matsuda match.