TOTAL VOLUME:
$154.7b
24H VOL:
$279,496,801
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,923,931,766
416,910
Markets across
40,107
events
MATCHED EVENTS:
4,571
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 3:12 AM EST
Polymarket
This market refers to the tennis match between Sinja Kraus and Sofia Kenin in the Japan Women's Open, Qualification, originally scheduled for October 18, 2026 at 12:00AM ET. This market will resolve to 'Sinja Kraus' if Sinja Kraus advances against Sofia Kenin. This market will resolve to 'Sofia Kenin' if Sofia Kenin advances against Sinja Kraus. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 Sinja Kraus and Sofia Kenin in the Japan Women's Open, Qualification, originally scheduled for October 18, 2026 at 12:00AM ET. This market will resolve to 'Sinja Kraus' if Sinja Kraus advances against Sofia Kenin. This market will resolve to 'Sofia Kenin' if Sofia Kenin advances against Sinja Kraus. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines to balance action, while this market allows traders to freely adjust probabilities based on their own analysis and information. If a significant discrepancy exists, arbitrage opportunities may arise, where traders can profit by betting on both platforms. However, it's important to note that prediction market odds are often more accurate, especially closer to the event, as they aggregate diverse perspectives.
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 reflects the probability of that outcome occurring. As more traders participate, the market price converges towards a consensus view. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability of a particular outcome is determined by the share price, with higher prices indicating a greater likelihood of that outcome. This dynamic pricing ensures the market reflects the latest information and collective intelligence.
This market resolves around Oct 25, 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 Sinja Kraus and Sofia Kenin. The platform will verify the result against official tournament data to determine the winning outcome. The outcome of this market will reflect which player advanced to the next stage of the tournament.
Several factors could influence the probabilities in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. Updates on the players’ recent performance in other matches, or even weather forecasts for the tournament location, could also impact trading activity. Unexpected announcements about a player’s participation or withdrawal from the match would likely cause a rapid adjustment in the market. Overall, any information that alters perceptions of the players’ chances of winning could move this market.