TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 15, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Kalender/Sabanov and Grevelius/Heinonen in the Cattolica, originally scheduled for June 8, 2026 at 4:00AM ET. This market will resolve to 'Kalender/Sabanov' if the team of Kalender/Sabanov advances against Grevelius/Heinonen. This market will resolve to 'Grevelius/Heinonen' if the team of Grevelius/Heinonen advances against Kalender/Sabanov. 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 on Polymarket often diverge from traditional sportsbook odds because they reflect decentralized trader sentiment rather than bookmaker pricing models. Sportsbooks build in margins and adjust lines for liability, while prediction markets aggregate real-time belief from many participants. For the Cattolica doubles match, comparing Polymarket implied probabilities to major sportsbooks can reveal where the crowd sees value or where sharp money is flowing. Differences typically narrow closer to match time as information converges.
On Polymarket, the Cattolica (Doubles): Kalender/Sabanov vs Grevelius/Heinonen market is priced through an automated market maker that converts trader orders into implied probabilities for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each team, and the price reflects the ratio of capital allocated to each side. As more money flows toward Kalender/Sabanov or Grevelius/Heinonen, their respective prices adjust upward or downward. The current market price represents the marginal trader's assessment of win probability at that moment.
The Cattolica (Doubles): Kalender/Sabanov vs market resolves on Jun 15, 2026. Resolution is determined by the official result of the doubles tennis match at Cattolica. The outcome is typically confirmed through the ATP or WTA tour official records and communicated to the prediction market. Once the match concludes and the winner is verified, the market settles and traders' positions are finalized based on which outcome they backed.
Several factors could shift odds for this Cattolica doubles match. Player injuries or withdrawals announced before the event would trigger sharp repricing. Recent form updates, head-to-head records, or court surface performance data may influence trader positioning. Weather conditions at Cattolica or scheduling changes could affect perceived advantage. Betting news or social media momentum from the tennis community may also drive volume and price movement. As the match date approaches, any official draw confirmation or seeding adjustments could prompt recalibration of probabilities.