TOTAL VOLUME:
$154.4b
24H VOL:
$235,918,089
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,884,820,873
413,109
Markets across
40,428
events
MATCHED EVENTS:
4,364
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 10, 10:45 AM EST
Polymarket
This market refers to the tennis match between Sebastian Baez and Valentin Vacherot in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Valentin Vacherot. This market will resolve to 'Valentin Vacherot' if Valentin Vacherot advances against Sebastian Baez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Sebastian Baez and Valentin Vacherot in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Valentin Vacherot. This market will resolve to 'Valentin Vacherot' if Valentin Vacherot advances against Sebastian Baez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 ATP Tour. 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 strategies, while this market relies on individuals’ independent assessments of the players’ chances. It’s common to see discrepancies, especially before significant events or when new information emerges. Examining both can offer a more nuanced understanding of the anticipated outcome of the Baez vs Vacherot match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts to reflect the evolving consensus. The current price indicates what the crowd believes is the probability of a specific result in the Baez vs Vacherot match, and traders can capitalize on perceived mispricings.
This market resolves around Oct 17, 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 Shanghai Rolex Masters match between Sebastian Baez and Valentin Vacherot, as reported by official tournament sources. The market will determine which player won the match, and the outcome will be settled accordingly. Traders should monitor official sources for the final result to understand when and how this market will be finalized.
Several factors could influence the price of this market before the Oct 17, 2026 resolution. Any news regarding player injuries, changes in playing conditions, or updated match analyses from tennis experts could significantly shift trader sentiment. Unexpected results in earlier rounds of the tournament, or even comments from the players themselves, might also cause price fluctuations. A strong performance by either player in a preceding match could increase confidence in their chances, while a poor showing could have the opposite effect. These signals will be reflected in the trading volume and price movements on Polymarket.