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 10, 7:27 AM EST
Polymarket
This market refers to the tennis match between Karol Filar and John Sperle in the M15 Budapest, Main Draw, originally scheduled for September 9, 2026 at 8:00AM ET. This market will resolve to 'Karol Filar' if Karol Filar advances against John Sperle. This market will resolve to 'John Sperle' if John Sperle advances against Karol Filar. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Karol Filar and John Sperle in the M15 Budapest, Main Draw, originally scheduled for September 9, 2026 at 8:00AM ET. This market will resolve to 'Karol Filar' if Karol Filar advances against John Sperle. This market will resolve to 'John Sperle' if John Sperle advances against Karol Filar. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 a different kind of wisdom than sportsbook odds. Sportsbooks set lines to balance action and incorporate a profit margin, while this market aggregates the beliefs of many individual bettors. If a significant number of people believe a sportsbook is mispricing the probability of a particular outcome in the Filar vs Sperle match, the prediction market may show a different implied probability. Discrepancies can arise from differing information sources, analytical approaches, or simply the collective intelligence of the crowd. It’s a useful comparison point for informed bettors.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing different outcomes of the Filar vs Sperle match, and the price of these shares reflects the market’s collective belief about the probability of each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand; if more people buy shares in a particular outcome, the price increases, indicating a higher perceived probability. This dynamic pricing ensures the market remains responsive to new information and changing sentiment leading up to the event.
This market resolves around Sep 16, 2026, with the outcome confirmed once the result of the Filar vs Sperle match is verifiable from credible public reporting. The resolution will be based on the official result declared by the tournament organizers. The platform will verify the outcome against established sources to ensure accuracy and fairness. Traders holding shares in the winning outcome will be paid out according to the final share price at the time of resolution, while those holding shares in losing outcomes will forfeit their investment.
Several factors could influence the price of shares in this market before Sep 16, 2026. Any news regarding player injuries to either Karol Filar or John Sperle would likely cause significant movement. Updates on team strategies, recent performance data, or even weather conditions at the match location could also impact trader sentiment. Unexpected announcements about changes to the tournament schedule or rules could also shift the odds. Generally, any information that alters the perceived probability of either athlete winning will be reflected in the market price.