TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 11:36 AM EST
Polymarket
This market tracks whether the total games played in the tennis match between Malaika Rapolu and Gabriela Knutson in Caldas da Rainha will exceed 22.5. Currently, Polymarket gives a 100.0% probability to “Rapolu vs. Knutson: Match O/U 22.5”. Resolution will be based on the official scores reported at https://www.wtatennis.com/scores. Keep an eye on the match itself, originally scheduled for September 18, 2026 at 8:30AM ET, as the outcome will depend on the total number of games played during that fixture.
This market refers to the tennis match between Malaika Rapolu and Gabriela Knutson in the Caldas da Rainha, originally scheduled for September 18, 2026 at 8:30AM ET. This market will resolve to 'Malaika Rapolu' if Malaika Rapolu advances against Gabriela Knutson. This market will resolve to 'Gabriela Knutson' if Gabriela Knutson advances against Malaika Rapolu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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 the collective wisdom of a diverse group of participants, potentially differing from those offered by traditional sportsbooks. Sportsbooks set their odds based on statistical models and expert analysis, while this market relies on the incentives of traders who aim to accurately predict the outcome. Discrepancies can arise due to differing information, biases, or simply varying interpretations of the available data. Comparing the two can provide a broader perspective on the likely result, and potentially identify value bets where the odds are misaligned.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Rapolu vs Knutson match. The price of these shares fluctuates based on supply and demand, effectively creating a probability estimate. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy shares in a particular outcome, the price increases, indicating a higher perceived chance of that outcome occurring. This dynamic pricing ensures that the market reflects the most up-to-date collective assessment of the event’s likelihood.
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 Rapolu vs Knutson match as determined by the governing sports organization. The platform will verify the result against publicly available sources to ensure accuracy and transparency. Traders who correctly predicted the outcome will be entitled to a payout based on the final share price at the time of resolution.
Several factors could influence the price of shares in this market leading up to Sep 25, 2026. Any news regarding player injuries, changes in coaching strategies, or even weather conditions could impact the perceived probabilities. Unexpected announcements about the players’ form or fitness levels would also likely cause significant shifts in the market. Furthermore, large trading volume from informed participants could signal new information or a change in sentiment, potentially driving price movements. Monitoring these signals is key to understanding the evolving dynamics of this market.