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, 9:32 AM EST
Polymarket
This market refers to the tennis match between Ashleigh Harvey and Emma Slavikova in the W75 Quinta do Lago, Qualifying, originally scheduled for September 27, 2026 at 6:00AM ET. This market will resolve to 'Ashleigh Harvey' if Ashleigh Harvey advances against Emma Slavikova. This market will resolve to 'Emma Slavikova' if Emma Slavikova advances against Ashleigh Harvey. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Ashleigh Harvey and Emma Slavikova in the W75 Quinta do Lago, Qualifying, originally scheduled for September 27, 2026 at 6:00AM ET. This market will resolve to 'Ashleigh Harvey' if Ashleigh Harvey advances against Emma Slavikova. This market will resolve to 'Emma Slavikova' if Emma Slavikova advances against Ashleigh Harvey. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Often, prediction market odds offer a different perspective than traditional sportsbooks. Sportsbooks set initial lines based on their own analysis, incorporating a profit margin. This market, however, is driven by the collective predictions of traders who are incentivized to accurately forecast the outcome. As a result, the odds on Polymarket can sometimes diverge from sportsbook lines, especially as new information emerges or public sentiment shifts. It’s common to see prediction markets reflect a more nuanced understanding of the event, potentially identifying mispricings that sportsbooks haven't yet corrected.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of each outcome. The price of these shares directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price adjusts dynamically based on supply and demand, meaning that if more traders believe Ashleigh Harvey will win, the price of shares representing her victory will increase. Conversely, increased support for Emma Slavikova will drive up the price of her shares. This creates a real-time assessment of probabilities.
This market resolves around Oct 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official result of the W75 Quinta do Lago tennis match between Ashleigh Harvey and Emma Slavikova. The platform will rely on widely available and trusted sources to verify the winner, ensuring a transparent and accurate resolution process. Traders will then be able to claim their winnings based on the final outcome.
Several factors could influence the price movement of this market before Oct 4, 2026. Any news regarding player form, such as injury updates or recent match results, could significantly shift trader sentiment. Changes in weather conditions at Quinta do Lago, potentially affecting playing style, are also relevant. Unexpected news about coaching changes or personal circumstances impacting either player could also move the market. Finally, large volume trades from informed participants could indicate new information or a change in overall market perception.