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 18, 6:00 AM EST
Polymarket
This market refers to the doubles tennis match between Grevelius/Heinonen and Sabanov/Sabanov in the Iasi, originally scheduled for July 11, 2026 at 6:00AM ET. This market will resolve to 'Grevelius/Heinonen' if the team of Grevelius/Heinonen advances against Sabanov/Sabanov. This market will resolve to 'Sabanov/Sabanov' if the team of Sabanov/Sabanov advances against Grevelius/Heinonen. 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 Grevelius/Heinonen and Sabanov/Sabanov in the Iasi, originally scheduled for July 11, 2026 at 6:00AM ET. This market will resolve to 'Grevelius/Heinonen' if the team of Grevelius/Heinonen advances against Sabanov/Sabanov. This market will resolve to 'Sabanov/Sabanov' if the team of Sabanov/Sabanov advances against Grevelius/Heinonen. 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 sportsbook odds often diverge because they reflect different pricing models and participant bases. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by trader consensus and real-time supply and demand. This market aggregates the views of many independent forecasters, which can sometimes surface insights that traditional oddsmakers miss. Comparing the two can reveal where public opinion and professional bookmakers disagree.
On Polymarket, this market is priced through an automated market maker that converts trader orders into continuous odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade against a liquidity pool, and the price adjusts dynamically as traders buy or sell. This mechanism ensures transparent, real-time pricing without relying on a central operator to set odds manually. The spread between bid and ask reflects the current uncertainty and trading activity.
This market resolves around Jul 18, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, determining which team won the doubles contest. Until that point, traders can continue to buy and sell shares as new information and match developments influence their forecasts.
Player form, recent tournament results, head-to-head records, and injury updates can all shift trader sentiment before the match begins. News about court conditions, weather, or last-minute lineup changes may also trigger price movement. As the event date approaches, any public statements from the players or coaching staff could influence expectations. Live match developments—such as early set outcomes or momentum shifts—will likely drive significant trading activity and price swings in the final hours.