TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 20, 3:14 PM EST
Polymarket
This market refers to the tennis match between Madison Sieg and Valentina Ryser in the W75 Saguenay, Main Draw, originally scheduled for October 20, 2026 at 10:00AM ET. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Valentina Ryser. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Madison Sieg. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 Madison Sieg and Valentina Ryser in the W75 Saguenay, Main Draw, originally scheduled for October 20, 2026 at 10:00AM ET. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Valentina Ryser. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Madison Sieg. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 differ from traditional sportsbook odds due to the wisdom of the crowd effect. Sportsbooks set lines based on their own models and risk assessment, while this market aggregates the opinions of many individual traders. If a significant number of traders believe a sportsbook is mispricing a player’s chances, the prediction market odds will reflect that collective insight. It’s common to see discrepancies, especially before significant events or when new information emerges, offering potential value for informed traders.
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. As more traders buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market reflects the collective intelligence of all participants, constantly adjusting to new information and shifting sentiment regarding the Saguenay tennis match.
This market resolves around Oct 27, 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 Saguenay tennis match between Madison Sieg and Valentina Ryser. The winning player, as determined by the official tournament organizers, will be the outcome reflected in the final settlement of this market. Traders should monitor official sources for the confirmed result to understand the resolution process.
Several signals could significantly impact this market. Any news regarding player injuries, changes in playing conditions, or even updated rankings could shift trader sentiment. Unexpected results in other matches involving these players could also influence perceptions of their form and chances of winning. Furthermore, major shifts in public opinion, perhaps driven by expert analysis or social media discussion, could lead to increased trading volume and price adjustments in this market leading up to Oct 27, 2026.