TOTAL VOLUME:
$154.8b
24H VOL:
$244,077,041
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,901,278,909
407,043
Markets across
39,548
events
MATCHED EVENTS:
4,422
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 7:41 PM EST
Polymarket
This market refers to the tennis match between Graham Maassen and Stephanos Schinas in the M15 Heraklion, Qualifying, originally scheduled for October 18, 2026 at 3:30AM ET. This market will resolve to 'Graham Maassen' if Graham Maassen advances against Stephanos Schinas. This market will resolve to 'Stephanos Schinas' if Stephanos Schinas advances against Graham Maassen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 Graham Maassen and Stephanos Schinas in the M15 Heraklion, Qualifying, originally scheduled for October 18, 2026 at 3:30AM ET. This market will resolve to 'Graham Maassen' if Graham Maassen advances against Stephanos Schinas. This market will resolve to 'Stephanos Schinas' if Stephanos Schinas advances against Graham Maassen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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.
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 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 more traders believe a particular outcome is likely, the higher the share price will rise, and vice versa. This dynamic pricing ensures that the market odds constantly adapt to new information and changing sentiment surrounding the Maassen vs Schinas match.
This market resolves around Oct 25, 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 Graham Maassen and Stephanos Schinas. The platform will verify the winner using publicly available and authoritative sources to determine the final outcome and settle the market accordingly. Traders will then be able to claim their winnings or adjust their positions based on the resolved result.
Several factors could influence the price of this market before resolution. Any news regarding player form, injuries, or changes to playing conditions could significantly shift trader sentiment. Unexpected results in earlier rounds of the tournament, or even weather forecasts impacting the match schedule, could also play a role. Furthermore, large trades on Polymarket by influential traders could cause noticeable price movements, reflecting a change in perceived probability for the Maassen vs Schinas match.