TOTAL VOLUME:
$154.8b
24H VOL:
$277,138,640
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,905,404,943
412,077
Markets across
39,838
events
MATCHED EVENTS:
4,526
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 27, 12:46 PM EST
Polymarket
This market refers to the tennis match between Marcus Walters and Leonardo Rossi in the M25 Sheffield, Main Draw, originally scheduled for October 27, 2026 at 7:00AM ET. This market will resolve to 'Marcus Walters' if Marcus Walters advances against Leonardo Rossi. This market will resolve to 'Leonardo Rossi' if Leonardo Rossi advances against Marcus Walters. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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 Marcus Walters and Leonardo Rossi in the M25 Sheffield, Main Draw, originally scheduled for October 27, 2026 at 7:00AM ET. This market will resolve to 'Marcus Walters' if Marcus Walters advances against Leonardo Rossi. This market will resolve to 'Leonardo Rossi' if Leonardo Rossi advances against Marcus Walters. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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 number of traders believe a sportsbook is undervaluing a particular outcome, they can drive the price in that direction on Polymarket. This can lead to discrepancies between the two, potentially offering arbitrage opportunities for informed bettors. It’s common to see prediction markets outperform traditional forecasts, particularly when complex factors are at play.
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 each share directly reflects the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, the 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 price is determined solely by supply and demand within Polymarket, and is not influenced by external factors or a central authority setting the odds. This dynamic pricing allows for a real-time assessment of the event's probability.
This market resolves around Nov 3, 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 Walters vs Rossi match, as declared by the relevant boxing authorities. The market will determine which fighter won the bout, and shares will pay out accordingly. It’s important to note that the resolution process relies on publicly available information to ensure a fair and transparent outcome for all traders participating in this market.
Several factors could influence the price of this market before Nov 3, 2026. News regarding fighter injuries, changes in training regimens, or even pre-fight press conference statements could all shift trader sentiment. Unexpected betting patterns in traditional sportsbooks might also attract attention and impact trading activity on Polymarket. Any significant updates related to the fighters’ physical condition or strategic approach are likely to cause fluctuations in the market price, as traders adjust their predictions based on the latest information. Public analysis and expert opinions could also play a role.