TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 26, 11:45 AM EST
Polymarket
This market refers to the tennis match between Eric Vanshelboim and Javier Barranco Cosano in the ITF Men Gandia, originally scheduled for July 19, 2026 at 11:45AM ET. This market will resolve to 'Eric Vanshelboim' if Eric Vanshelboim advances against Javier Barranco Cosano. This market will resolve to 'Javier Barranco Cosano' if Javier Barranco Cosano advances against Eric Vanshelboim. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Eric Vanshelboim and Javier Barranco Cosano in the ITF Men Gandia, originally scheduled for July 19, 2026 at 11:45AM ET. This market will resolve to 'Eric Vanshelboim' if Eric Vanshelboim advances against Javier Barranco Cosano. This market will resolve to 'Javier Barranco Cosano' if Javier Barranco Cosano advances against Eric Vanshelboim. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance their book and manage risk, while prediction markets aggregate the collective beliefs of traders who profit or lose based on accuracy. Prediction markets typically incorporate real-time information more quickly and can reflect longer-term or niche outcomes that traditional sportsbooks avoid. For this match, comparing the prediction market price to major sportsbook lines can reveal whether one venue perceives an edge the other has missed.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares representing each possible outcome, and the price of each share reflects the collective assessment of that outcome's likelihood. As new trades flow in, the price adjusts instantly. The current odds reflect the latest consensus among active participants, and wider bid-ask spreads indicate lower confidence or liquidity in that outcome.
This market resolves around Jul 26, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official match result—which player wins the ITF Gandia event. Resolution occurs after the event is complete and confirmed through established tennis reporting channels. Traders should monitor the official tournament schedule and any updates from the ITF or the hosting venue to stay informed of timing changes or postponements.
Several factors could shift trader positioning before resolution. Injury announcements or withdrawal news for either player would trigger sharp repricing. Recent match results, ranking updates, or performance on similar court surfaces may prompt traders to reassess probabilities. Weather forecasts closer to the event date could influence expectations if conditions favor one player's style. Tournament draw updates, opponent strength, and any public statements from the players or coaching staff also serve as catalysts. Real-time match flow during play will drive the most dramatic moves as traders react to serve performance, break points, and momentum shifts.