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 20, 9:35 AM EST
Polymarket
This market refers to the tennis match between Beatris Spasova and Lucie Petruzelova in the W50 Plovdiv, Qualifying, originally scheduled for September 20, 2026 at 5:00AM ET. This market will resolve to 'Beatris Spasova' if Beatris Spasova advances against Lucie Petruzelova. This market will resolve to 'Lucie Petruzelova' if Lucie Petruzelova advances against Beatris Spasova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 Beatris Spasova and Lucie Petruzelova in the W50 Plovdiv, Qualifying, originally scheduled for September 20, 2026 at 5:00AM ET. This market will resolve to 'Beatris Spasova' if Beatris Spasova advances against Lucie Petruzelova. This market will resolve to 'Lucie Petruzelova' if Lucie Petruzelova advances against Beatris Spasova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own analysis and incorporate a profit margin, while this market is driven by individuals trading on their own beliefs. If a significant discrepancy exists between prediction market probabilities and sportsbook lines, it may suggest that the market perceives information differently or that there's an arbitrage opportunity. It is common to see these odds converge as the event approaches, but sometimes this market can offer a different perspective than traditional betting outlets.
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 probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a particular outcome, the higher its price rises, indicating increased confidence. This dynamic pricing ensures that the market odds are constantly updated based on the latest information and collective intelligence of traders on Polymarket.
This market resolves around Sep 27, 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 W50 Plovdiv tennis match between Beatris Spasova and Lucie Petruzelova. The platform will rely on widely available and trusted sources to determine the winner of the match, ensuring a fair and transparent resolution process. Traders should monitor official tournament results to understand how this market will be settled.
Several factors could influence the trading activity in this market leading up to Sep 27, 2026. News regarding player form, injuries, or changes in playing conditions could all shift sentiment. Unexpected upsets in earlier rounds of the tournament, or even weather forecasts impacting the match schedule, could also cause price fluctuations. Any information that alters the perceived probability of either player winning is likely to be reflected in the market price. Monitoring tennis news and analysis will be key to understanding potential catalysts for movement in this market.