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: Jun 20, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Jecan/Pavel and Grevelius/Heinonen in the Cattolica, originally scheduled for June 13, 2026 at 4:00AM ET. This market will resolve to 'Jecan/Pavel' if the team of Jecan/Pavel advances against Grevelius/Heinonen. This market will resolve to 'Grevelius/Heinonen' if the team of Grevelius/Heinonen advances against Jecan/Pavel. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Jecan/Pavel and Grevelius/Heinonen in the Cattolica, originally scheduled for June 13, 2026 at 4:00AM ET. This market will resolve to 'Jecan/Pavel' if the team of Jecan/Pavel advances against Grevelius/Heinonen. This market will resolve to 'Grevelius/Heinonen' if the team of Grevelius/Heinonen advances against Jecan/Pavel. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets price outcomes based on trader conviction and real-money risk. For this match, comparing Polymarket's implied probability to major sportsbooks can reveal whether one venue undervalues or overvalues either team. Prediction markets frequently outperform bookmakers on niche or less-liquid events because traders with specialized knowledge can profit by correcting mispriced odds.
On Polymarket, this market is priced through an automated market maker (AMM) mechanism where traders buy and sell outcome shares directly against a liquidity pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome—Jecan/Pavel or Grevelius/Heinonen—adjusts continuously based on cumulative trading volume and the ratio of shares held in the pool. As more traders bet on one team, that outcome's price rises and the competing outcome falls. This dynamic pricing ensures the market always reflects the latest consensus probability among active participants.
This market resolves around Jun 20, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by which doubles team wins the match at Cattolica. Traders holding shares in the winning outcome receive their payout, while those on the losing side forfeit their stake. Resolution typically occurs within hours of the final point, pending confirmation from official tournament records or reputable sports data providers.
Several catalysts can shift odds before the match begins. Injury announcements or withdrawal news involving any of the four players would trigger sharp repricing. Recent tournament results, head-to-head records, and court-surface performance data often drive trader positioning. Weather conditions at Cattolica may favor one team's style of play. Betting syndicates or sharp money entering the market can also move prices rapidly if they detect value. Social media sentiment and expert commentary occasionally influence retail traders, creating secondary momentum that compounds initial moves.