TOTAL VOLUME:
$154.3b
24H VOL:
$219,029,434
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,869,293,526
411,051
Markets across
40,408
events
MATCHED EVENTS:
4,377
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 27, 8:49 PM EST
Polymarket
This market refers to the tennis match between Tomas Barrios and Juan Estevez in the Guayaquil, originally scheduled for October 26, 2026 at 11:00AM ET. This market will resolve to 'Tomas Barrios' if Tomas Barrios advances against Juan Estevez. This market will resolve to 'Juan Estevez' if Juan Estevez advances against Tomas Barrios. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 Tomas Barrios and Juan Estevez in the Guayaquil, originally scheduled for October 26, 2026 at 11:00AM ET. This market will resolve to 'Tomas Barrios' if Tomas Barrios advances against Juan Estevez. This market will resolve to 'Juan Estevez' if Juan Estevez advances against Tomas Barrios. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, but may be influenced by biases or marketing considerations. This market, on the other hand, allows anyone to participate and express their beliefs, potentially leading to more accurate probabilities. It’s common to see discrepancies, especially as new information emerges or public sentiment shifts. Comparing these odds can provide valuable insights into where the market perceives an edge.
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 perceived by the market participants. 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 of shares will fluctuate, reflecting the evolving consensus. The platform uses a constant product market maker model, ensuring that there is always liquidity for traders to enter and exit positions.
This market resolves around Nov 2, 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 Guayaquil match between Tomas Barrios and Juan Estevez. The platform will rely on widely accepted sources to determine the winner and finalize the market. Traders should ensure they understand the resolution conditions before participating, as the outcome will be determined by the official match results and not by subjective interpretation.
Several factors could influence the odds in this market before Nov 2, 2026. Any news regarding player injuries, changes in playing conditions, or unexpected performance in other matches could shift market sentiment. Significant betting activity from informed traders could also cause price movements. Publicly available analysis from tennis experts, or even social media buzz surrounding the players, could also play a role. Ultimately, any information that alters the perceived probability of either player winning will likely impact the market.