TOTAL VOLUME:
$154.7b
24H VOL:
$279,496,801
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,923,931,766
416,910
Markets across
40,107
events
MATCHED EVENTS:
4,571
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 23, 7:55 AM EST
Polymarket
This market refers to the tennis match between Fons Van Sambeek and Benjamin Pietri in the M15 Heraklion, Main Draw, originally scheduled for October 23, 2026 at 3:00AM ET. This market will resolve to 'Fons Van Sambeek' if Fons Van Sambeek advances against Benjamin Pietri. This market will resolve to 'Benjamin Pietri' if Benjamin Pietri advances against Fons Van Sambeek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 6, 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 Fons Van Sambeek and Benjamin Pietri in the M15 Heraklion, Main Draw, originally scheduled for October 23, 2026 at 3:00AM ET. This market will resolve to 'Fons Van Sambeek' if Fons Van Sambeek advances against Benjamin Pietri. This market will resolve to 'Benjamin Pietri' if Benjamin Pietri advances against Fons Van Sambeek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 6, 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 the collective wisdom of a diverse group of traders, potentially differing from sportsbook odds which are set by professional oddsmakers. Sportsbooks may incorporate factors like public betting percentages and risk management into their lines, while this market relies purely on individuals’ willingness to buy or sell based on their own analysis. Discrepancies can arise due to differing information, biases, or simply varying interpretations of the players’ form and potential. It’s common to see prediction markets offer a more accurate forecast, especially as the event approaches, due to the continuous flow of information and trading activity.
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 a share directly corresponds to the probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, reflecting growing confidence. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market's price is determined entirely by supply and demand; there are no external factors influencing the odds. This dynamic pricing allows the market to quickly adapt to new information and evolving perceptions of the match’s likely result.
This market resolves around Oct 30, 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 Heraklion tennis match between Fons Van Sambeek and Benjamin Pietri. The platform will verify the winner through official tournament results and reporting, ensuring an accurate and transparent resolution process. Traders will then be able to claim their winnings or adjust their positions based on the final outcome of the match.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions (such as weather), or updates on their recent performance could significantly impact trader sentiment. Unexpected results in other matches involving these players, or even broader shifts in tennis rankings, might also lead to adjustments in the market price. Furthermore, large-volume trades by influential traders could create momentum and drive price movements, reflecting a change in perceived probabilities before the match takes place.