TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 16, 4:25 PM EST
Polymarket
This market refers to the tennis match between Theo Papamalamis and Johan Oscar Lien in the M15 Lexington, KY, Main Draw, originally scheduled for October 16, 2026 at 12:00PM ET. This market will resolve to 'Theo Papamalamis' if Theo Papamalamis advances against Johan Oscar Lien. This market will resolve to 'Johan Oscar Lien' if Johan Oscar Lien advances against Theo Papamalamis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 30, 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 Theo Papamalamis and Johan Oscar Lien in the M15 Lexington, KY, Main Draw, originally scheduled for October 16, 2026 at 12:00PM ET. This market will resolve to 'Theo Papamalamis' if Theo Papamalamis advances against Johan Oscar Lien. This market will resolve to 'Johan Oscar Lien' if Johan Oscar Lien advances against Theo Papamalamis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 30, 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.
Typically, prediction market odds offer a different perspective than traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, representing their profit margin. This market, driven by the collective wisdom of traders, aims to reflect the true probabilities of the event occurring. While sportsbooks may initially set odds based on expert analysis, this market evolves as more information becomes available and traders adjust their positions. It’s common to see discrepancies between the two, potentially offering opportunities for informed traders.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the outcome of the Papamalamis vs Lien match. The price of these shares fluctuates based on supply and demand, effectively creating a real-time probability assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The closer the event gets, the more volatile the price may become as new information emerges and traders refine their predictions. This dynamic pricing reflects the aggregated intelligence of the crowd.
This market resolves around Oct 23, 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 Theo Papamalamis vs Johan Oscar Lien match, as reported by a recognized tennis authority. The platform will verify the result against established 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 resolution.
Several factors could influence the price of this market before Oct 23, 2026. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift trader sentiment. Unexpected announcements about either player's preparation or strategy might also impact the odds. Furthermore, broader trends in tennis betting or shifts in public opinion could contribute to price movements. Monitoring these signals will be crucial for anyone looking to trade in this market.