TOTAL VOLUME:
$97.5b
24H VOL:
$264,423,826
24H TRANSACTIONS:
951,878,243
OPEN INTEREST:
$2,171,275,957
831,219
Markets across
15,133
events
MATCHED EVENTS:
973
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
Closed: Jul 23, 7:30 AM EST
Polymarket
This market refers to the tennis match between Andrea Colombo and Iker Urribarrens Ramirez in the ITF Men Castelo Branco, originally scheduled for July 16, 2026 at 7:30AM ET. This market will resolve to 'Andrea Colombo' if Andrea Colombo advances against Iker Urribarrens Ramirez. This market will resolve to 'Iker Urribarrens Ramirez' if Iker Urribarrens Ramirez advances against Andrea Colombo. 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 Andrea Colombo and Iker Urribarrens Ramirez in the ITF Men Castelo Branco, originally scheduled for July 16, 2026 at 7:30AM ET. This market will resolve to 'Andrea Colombo' if Andrea Colombo advances against Iker Urribarrens Ramirez. This market will resolve to 'Iker Urribarrens Ramirez' if Iker Urribarrens Ramirez advances against Andrea Colombo. 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 traditional sportsbook odds often diverge because they reflect different pricing mechanisms. Sportsbooks set lines to balance their book and manage risk, while prediction markets aggregate the collective beliefs of many independent traders. For this match, the prediction market price may offer sharper or more efficient pricing than a sportsbook line, depending on trading volume and participant expertise. Comparing the two can reveal whether one venue undervalues or overvalues a particular outcome relative to the other.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome share reflects the aggregate demand from all participants; as more traders buy one side, that outcome's probability rises and its share price increases. You can enter limit or market orders to trade at your preferred price, and the system settles your position based on the final verified result of the match.
This market resolves around Jul 23, 2026, once the ITF Castelo Branco match between the two players concludes and the result is verified against credible public sources. The outcome is determined by which player wins the completed match. Until that time, you can continue to trade your position, allowing you to exit early or adjust your exposure based on live match developments or updated information.
Several factors can shift odds before resolution. Injury reports or withdrawal announcements involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data may influence trader positioning. Court conditions, weather, and player form leading up to the match date can also drive meaningful moves. Real-time match developments—such as early set outcomes or momentum shifts during play—typically produce the most volatile price swings as traders react to unfolding events.
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