TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 7:47 PM EST
Polymarket
This market refers to the tennis match between Georgios Mitalas and Rafael Giotis in the M15 Heraklion, Qualifying, originally scheduled for October 18, 2026 at 4:30AM ET. This market will resolve to 'Georgios Mitalas' if Georgios Mitalas advances against Rafael Giotis. This market will resolve to 'Rafael Giotis' if Rafael Giotis advances against Georgios Mitalas. 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 Georgios Mitalas and Rafael Giotis in the M15 Heraklion, Qualifying, originally scheduled for October 18, 2026 at 4:30AM ET. This market will resolve to 'Georgios Mitalas' if Georgios Mitalas advances against Rafael Giotis. This market will resolve to 'Rafael Giotis' if Rafael Giotis advances against Georgios Mitalas. 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 the event occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders believe an outcome is likely, the higher the price of shares representing that outcome will rise. This dynamic pricing ensures that the market reflects the wisdom of the crowd, constantly adjusting as new information becomes available and traders update their predictions.
This market resolves around Oct 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Mitalas vs Giotis match as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome corresponds to the actual event winner. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at resolution.
Several factors could influence the price of shares in this market leading up to Oct 25, 2026. Any news regarding player form, injuries, or changes to playing conditions could significantly shift trader sentiment. Unexpected upsets in other matches involving either player could also impact confidence levels. Major shifts in public opinion, as reflected in betting patterns or expert analysis, would likely be reflected in the market price. Even seemingly minor developments could trigger movement, as traders react to new information and adjust their predictions accordingly.