TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Gonzalez/Gonzalez and Isaro/Poonacha in the Croatia Open, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Gonzalez/Gonzalez' if the team of Gonzalez/Gonzalez advances against Isaro/Poonacha. This market will resolve to 'Isaro/Poonacha' if the team of Isaro/Poonacha advances against Gonzalez/Gonzalez. 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 Gonzalez/Gonzalez and Isaro/Poonacha in the Croatia Open, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Gonzalez/Gonzalez' if the team of Gonzalez/Gonzalez advances against Isaro/Poonacha. This market will resolve to 'Isaro/Poonacha' if the team of Isaro/Poonacha advances against Gonzalez/Gonzalez. 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 mechanisms. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets derive prices from live trader consensus—supply and demand for each outcome. This market's odds may run higher or lower than traditional sportsbooks depending on trader conviction and liquidity. Comparing the two can reveal value: if this market prices one outcome significantly differently than major sportsbooks, it may signal either mispricing or updated information traders believe sportsbooks have not yet incorporated.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the cumulative positions of all participants; as traders buy shares in one outcome, the price of that outcome rises and the alternative falls. Prices update in real time based on order flow, ensuring the market continuously reprices to reflect new information or shifting sentiment about the doubles match result. Higher prices indicate stronger trader confidence in that outcome.
This market resolves around Jul 21, 2026, once the doubles match concludes and the result is verifiable from credible public reporting. The outcome is determined by which pair wins the match—either Gonzalez/Gonzalez or Isaro/Poonacha. Traders holding shares in the winning outcome receive their payout, while shares in the losing outcome expire worthless. Resolution is straightforward and tied directly to the official match result, making this a binary event with a clear, unambiguous conclusion.
Several factors could shift odds before the match begins. Injury announcements or player withdrawals would dramatically reprrice the market, as would unexpected lineup changes or coaching decisions. Recent tournament performance by either pair, head-to-head records, and court conditions at the venue can all influence trader positioning. Media coverage highlighting one team's form or momentum may trigger buying or selling pressure. Weather forecasts, if relevant to outdoor play, and late-breaking news about player fitness or mental state could also prompt rapid repricing as new information reaches traders.