TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 21, 2:26 AM EST
Polymarket
This market refers to the tennis match between Archie Stewart and Herman Hoeyeraal in the M25 Tamworth, Main Draw, originally scheduled for October 20, 2026 at 9:30PM ET. This market will resolve to 'Archie Stewart' if Archie Stewart advances against Herman Hoeyeraal. This market will resolve to 'Herman Hoeyeraal' if Herman Hoeyeraal advances against Archie Stewart. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 Archie Stewart and Herman Hoeyeraal in the M25 Tamworth, Main Draw, originally scheduled for October 20, 2026 at 9:30PM ET. This market will resolve to 'Archie Stewart' if Archie Stewart advances against Herman Hoeyeraal. This market will resolve to 'Herman Hoeyeraal' if Herman Hoeyeraal advances against Archie Stewart. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 offering a different perspective than traditional sportsbooks. Sportsbooks set their odds based on statistical models and expert analysis, while this market incorporates a broader range of information and opinions. It’s common to see discrepancies between the two, especially early in the market lifecycle. Examining these differences can be insightful, as prediction markets sometimes demonstrate superior forecasting accuracy compared to conventional betting venues. However, it’s important to remember that both represent probabilities, and neither guarantees the actual outcome.
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 a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s efficiency is driven by arbitrage opportunities, encouraging traders to align prices with their best estimates of the event's probability. This dynamic pricing system allows the market to quickly incorporate new information and adjust expectations.
This market resolves around Oct 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results of the M25 Tamworth race, determining which competitor achieved the fastest time. The platform will verify the results against publicly available data to ensure accuracy and transparency. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at resolution. It is important to monitor the event's progress as the resolution date approaches.
Several factors could influence the price of shares in this market. Any news regarding the condition or recent performance of Archie Stewart or Herman Hoeyeraal could significantly shift expectations. Unexpected weather conditions on race day, or changes to the race track itself, could also impact the perceived probabilities. Public statements from trainers or analysts, or even significant betting activity in traditional sportsbooks, might also cause movement. Monitoring these signals and staying informed about the latest developments is crucial for understanding potential shifts in this market.