TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 25, 2:20 PM EST
Kalshi
This event group covers a professional tennis match between Eliakim Coulibaly and Patrick Schoen in the ITF Men's M25 Porto tournament, scheduled for June 25, 2026 at 6:30 AM ET. The markets track both match completion and match winner outcomes across multiple prediction platforms.
This market refers to the tennis match between Eliakim Coulibaly and Patrick Schoen in the ITF Men Porto, originally scheduled for June 25, 2026 at 6:30AM ET. This market will resolve to 'Eliakim Coulibaly' if Eliakim Coulibaly advances against Patrick Schoen. This market will resolve to 'Patrick Schoen' if Patrick Schoen advances against Eliakim Coulibaly. 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 event covers the professional tennis match between Eliakim Coulibaly and Patrick Schoen in the 2026 M25 Porto Round of 16. Resolution requires that a ball be played in the match. If the match does not occur before play begins due to injury, walkover, forfeiture, or other cancellation, all related markets resolve to $0.50. Should a player withdraw or forfeit after the match has started, that player's market resolves to No. If the match is postponed or delayed, markets remain open and will close following the rescheduled match completion, provided this occurs within two weeks of the original date.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, liquidity pools, and fee structures, all of which influence pricing. Polymarket and Kalshi may also have slightly different market designs—such as order-book depth, settlement rules, or promotional incentives—that cause temporary price gaps. Additionally, traders on one platform may react faster to breaking news than those on the other, creating arbitrage opportunities. These spreads typically narrow as informed traders exploit the difference, but they can persist if liquidity is thin or if traders on one venue have conviction the other side is mispriced.
Several catalysts could shift odds before the match begins. Recent tournament results, player injuries, or withdrawal announcements will likely trigger sharp repricing. Court conditions at Porto—such as surface type or weather forecasts—can favor one player's style and prompt traders to reposition. Head-to-head history, ranking changes, or news about either player's form or fitness will also influence sentiment. In the final hours before the match, late money often flows toward one side, reflecting last-minute information or professional trader conviction. Monitoring player social media, injury reports, and ITF official updates is essential for staying ahead of market moves.