TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 2:39 AM EST
Polymarket
This market refers to the tennis match between Kristiana Sidorova and Yufei Ren in the W35 Shenyang, Main Draw, originally scheduled for September 17, 2026 at 11:00PM ET. This market will resolve to 'Kristiana Sidorova' if Kristiana Sidorova advances against Yufei Ren. This market will resolve to 'Yufei Ren' if Yufei Ren advances against Kristiana Sidorova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Kristiana Sidorova and Yufei Ren in the W35 Shenyang, Main Draw, originally scheduled for September 17, 2026 at 11:00PM ET. This market will resolve to 'Kristiana Sidorova' if Kristiana Sidorova advances against Yufei Ren. This market will resolve to 'Yufei Ren' if Yufei Ren advances against Kristiana Sidorova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 International Tennis Federation (ITF). 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 lines based on statistical models and expert analysis, while this market aggregates the views of many individuals with varying levels of knowledge. It's common to see discrepancies between the two, especially before a significant amount of trading occurs. These differences can arise from differing opinions on player form, potential upsets, or simply the influence of public perception. Comparing the two can be a useful exercise for identifying potential value.
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 these shares directly reflects the implied probability of each outcome. As more traders participate and express their views, the price adjusts accordingly, creating a dynamic and efficient market. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand; if many traders believe a particular outcome is likely, the price of shares representing that outcome will increase. Conversely, if traders become less confident, the price will fall.
This market resolves around Sep 25, 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 Sidorova vs Ren match, as reported by recognized sports authorities. Any disputes or ambiguities will be resolved using widely accepted sports regulations and data sources. The platform will then determine the winning outcome and distribute payouts to those who correctly predicted the result. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence trading activity and shift the odds in this market. News regarding player injuries, changes in coaching strategies, or even weather conditions could all impact trader sentiment. Unexpected results in other matches involving these players, or significant shifts in public opinion, could also lead to price movements. Furthermore, large trades from influential market participants can create short-term volatility. Monitoring sports news, social media, and the trading volume on Polymarket will provide valuable insights into potential catalysts that could affect the market.