TOTAL VOLUME:
$154.8b
24H VOL:
$244,077,041
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,901,278,909
407,043
Markets across
39,548
events
MATCHED EVENTS:
4,422
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 9, 2:38 PM EST
Polymarket
This market refers to the tennis match between Simona Waltert and Himeno Sakatsume in the Samsun, originally scheduled for October 9, 2026 at 8:00AM ET. This market will resolve to 'Simona Waltert' if Simona Waltert advances against Himeno Sakatsume. This market will resolve to 'Himeno Sakatsume' if Himeno Sakatsume advances against Simona Waltert. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 Simona Waltert and Himeno Sakatsume in the Samsun, originally scheduled for October 9, 2026 at 8:00AM ET. This market will resolve to 'Simona Waltert' if Simona Waltert advances against Himeno Sakatsume. This market will resolve to 'Himeno Sakatsume' if Himeno Sakatsume advances against Simona Waltert. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 a wisdom-of-the-crowd effect, potentially differing from initial sportsbook lines. Sportsbooks set odds based on their own models and aim to balance action on both sides, while this market is driven by individuals willing to put their capital behind their beliefs. Over time, the odds on Polymarket may converge with or diverge from sportsbook odds as new information becomes available and different perspectives are weighed. It’s common to see prediction markets outperform traditional forecasts, especially when there is significant public interest.
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 probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and the probability implied by the price goes up. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing reflects the collective intelligence of the market participants, creating a constantly updated forecast for the Waltert vs Sakatsume match.
This market resolves around Oct 16, 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 Waltert vs Sakatsume match as reported by a recognized tennis authority. The platform will verify the result against publicly available data to determine which outcome corresponds to the actual event winner. This ensures a transparent and objective resolution process for all traders participating in this market.
Several factors could influence the price of shares in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. Unexpected upsets in other matches leading up to the Waltert vs Sakatsume match could also impact perceived probabilities. Major shifts in public sentiment, reflected in social media or expert analysis, may also cause movement. Ultimately, any information that alters the perceived likelihood of either player winning will likely be reflected in the trading activity on Polymarket.