TOTAL VOLUME:
$154.8b
24H VOL:
$260,393,102
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,894,304,386
408,643
Markets across
39,771
events
MATCHED EVENTS:
4,493
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 16, 7:06 AM EST
Polymarket
This market refers to the tennis match between Andrea Fiorentini and William Nolan in the M15 Heraklion, Main Draw, originally scheduled for October 14, 2026 at 3:30AM ET. This market will resolve to 'Andrea Fiorentini' if Andrea Fiorentini advances against William Nolan. This market will resolve to 'William Nolan' if William Nolan advances against Andrea Fiorentini. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 28, 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 Andrea Fiorentini and William Nolan in the M15 Heraklion, Main Draw, originally scheduled for October 14, 2026 at 3:30AM ET. This market will resolve to 'Andrea Fiorentini' if Andrea Fiorentini advances against William Nolan. This market will resolve to 'William Nolan' if William Nolan advances against Andrea Fiorentini. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 28, 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market relies on the collective wisdom of traders. If a significant discrepancy exists between prediction market probabilities and sportsbook odds, it may indicate that traders believe the sportsbook is mispricing the event. It’s important to remember that prediction markets are forward-looking, incorporating new information as it becomes available, potentially differing from fixed sportsbook lines.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing different outcomes, and the price of each share reflects the market’s 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 price is determined by supply and demand; if more traders believe Fiorentini will win, the price of shares representing that outcome will increase. Conversely, increased betting on Nolan will drive up the price of his outcome shares. This dynamic pricing allows the market to quickly incorporate new information and adjust probabilities.
This market resolves around Oct 21, 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 Andrea Fiorentini and William Nolan. The platform will verify the winner based on publicly available match results, ensuring an objective and transparent outcome. Traders will then be able to claim their winnings based on the final result.
Several factors could influence the price of this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected announcements about either player’s preparation or strategy could also cause movement. Furthermore, major shifts in public opinion, reflected in other sources like sports news or analysis, might impact trading activity and alter the implied probabilities within this market. Monitoring these signals will be key to understanding potential price fluctuations.