TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 27, 8:35 AM EST
Polymarket
This market refers to the tennis match between Maria Timofeeva and Reese Brantmeier in the Porto, originally scheduled for September 27, 2026 at 6:00AM ET. This market will resolve to 'Maria Timofeeva' if Maria Timofeeva advances against Reese Brantmeier. This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Maria Timofeeva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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 Maria Timofeeva and Reese Brantmeier in the Porto, originally scheduled for September 27, 2026 at 6:00AM ET. This market will resolve to 'Maria Timofeeva' if Maria Timofeeva advances against Reese Brantmeier. This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Maria Timofeeva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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 different kind of wisdom than sportsbook odds. Sportsbooks set lines to balance action and incorporate a profit margin, while this market aggregates the collective intelligence of many individual traders. This can lead to discrepancies, as prediction markets are less susceptible to biases inherent in traditional bookmaking. If there's a significant difference, it may indicate that prediction market traders have information or perspectives not fully accounted for by sportsbooks, or vice versa. It’s always insightful to compare the two to see where the crowds diverge in their assessments.
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, its price increases, and the implied probability rises. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing allows the market to quickly incorporate new information and adjust probabilities as the event approaches. The market’s price reflects the aggregated forecasts of all participants, creating a forward-looking assessment of the match’s potential results.
This market resolves around Oct 4, 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 Maria Timofeeva vs Reese Brantmeier match as reported by a recognized tennis authority. The platform will verify the result against widely available and trusted sources to determine the winning outcome. Traders will then be able to claim their winnings or adjust their positions based on the final result. The process ensures a transparent and reliable settlement of the market.
Several factors could influence this market before the match concludes. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift trader sentiment. Unexpected results in other matches involving these players could also impact the perceived probabilities. Furthermore, major shifts in public opinion, perhaps driven by expert analysis or social media discussions, could also cause movement in the market. Monitoring these signals will be crucial for understanding how the market evolves leading up to Oct 4, 2026.