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, 8:50 AM EST
Polymarket
This market tracks whether the total games played in the tennis match between Samira De Stefano and Alice Tubello in Ljubljana will exceed 22.5. Currently, Polymarket gives a 100.0% probability to “Stefano vs. Tubello: Match O/U 22.5”. The resolution source for this market is the official WTA Tennis website at https://www.wtatennis.com/scores. Keep an eye on the match itself, originally scheduled for September 17, 2026 at 4:30AM ET, as the outcome will be determined by the final score reported there.
This market refers to the tennis match between Samira De Stefano and Alice Tubello in the Ljubljana, originally scheduled for September 17, 2026 at 4:30AM ET. This market will resolve to 'Samira De Stefano' if Samira De Stefano advances against Alice Tubello. This market will resolve to 'Alice Tubello' if Alice Tubello advances against Samira De Stefano. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from those set by sportsbooks. Sportsbooks establish lines based on their own analysis and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. If there's a significant discrepancy, it could indicate that the market believes the sportsbook has mispriced the event, or that new information hasn't yet been fully incorporated into sportsbook odds. It’s a useful comparison to see where public sentiment diverges from professional analysis.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of each outcome. As more shares are traded, the price adjusts to reflect the collective expectation. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a 'yes' share, for example, represents the probability of that outcome occurring, according to the traders on the platform. This dynamic pricing ensures that the market odds are constantly updated based on the latest information and sentiment.
This market resolves around Sep 24, 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 Samira De Stefano vs Alice Tubello match. The platform will rely on widely accepted sources to determine the winner, ensuring a transparent and accurate settlement. Traders should monitor official announcements and results to understand how the market will be resolved and to prepare for potential payouts.
Several factors could influence trading activity in this market. Any news regarding the condition of either athlete, such as injuries or illness, would likely cause significant movement. Changes in coaching strategies or recent performance data could also impact trader sentiment. Unexpected announcements about the match location or rules might also shift the odds. Furthermore, general public opinion and media coverage surrounding the athletes and the match could all contribute to fluctuations in this market until resolution.