TOTAL VOLUME:
$154.4b
24H VOL:
$235,918,089
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,884,820,873
413,109
Markets across
40,428
events
MATCHED EVENTS:
4,364
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 7, 7:46 AM EST
Polymarket
This market refers to the tennis match between Odysseas Geladaris and James McGloughlin in the M15 Heraklion, Main Draw, originally scheduled for October 7, 2026 at 3:00AM ET. This market will resolve to 'Odysseas Geladaris' if Odysseas Geladaris advances against James McGloughlin. This market will resolve to 'James McGloughlin' if James McGloughlin advances against Odysseas Geladaris. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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 Odysseas Geladaris and James McGloughlin in the M15 Heraklion, Main Draw, originally scheduled for October 7, 2026 at 3:00AM ET. This market will resolve to 'Odysseas Geladaris' if Odysseas Geladaris advances against James McGloughlin. This market will resolve to 'James McGloughlin' if James McGloughlin advances against Odysseas Geladaris. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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 wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market aggregates the beliefs of many individual traders. If a significant number of people believe an outcome is more likely than a sportsbook suggests, the price will move accordingly. It's common to see discrepancies, particularly before major events or when new information emerges, as this market can incorporate information more rapidly than traditional bookmakers.
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 fluctuates based on supply and demand, effectively creating a probability estimate. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The closer the price is to 100, the more confident traders are in that outcome. This dynamic pricing allows the market to quickly adjust to new information and reflect the collective intelligence of its participants.
This market resolves around Oct 14, 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 M15 Heraklion tennis match between Odysseas Geladaris and James McGloughlin. Any official result declared by the tournament organizers will be considered definitive. Traders holding shares in the winning outcome will be paid out according to the final market price at resolution, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected upsets in other matches within the tournament might also affect confidence in the players' overall performance. Furthermore, major shifts in public opinion, perhaps driven by expert analysis or social media discussion, could also lead to price movements. Monitoring these signals will be crucial for anyone looking to trade in this market before it resolves.