TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Match O/U 21.5
- Polymarket
Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Match O/U 21.5 - Polymarket
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Vol.
·
Resolved Jul 15, 2026
Closed: Jul 22, 10:00 AM EST
Polymarket
This market refers to the tennis match between Federico Agustin Gomez and Matteo Arnaldi in the Croatia Open, originally scheduled for July 15, 2026 at 10:00AM ET. This market will resolve to 'Federico Agustin Gomez' if Federico Agustin Gomez advances against Matteo Arnaldi. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Federico Agustin Gomez. 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Federico Agustin Gomez and Matteo Arnaldi in the Croatia Open, originally scheduled for July 15, 2026 at 10:00AM ET. This market will resolve to 'Federico Agustin Gomez' if Federico Agustin Gomez advances against Matteo Arnaldi. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Federico Agustin Gomez. 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets are driven by trader consensus and real-money stakes. This market aggregates the collective judgment of participants wagering on the outcome, which can sometimes offer a different view than traditional betting lines. Comparing the two can highlight where the crowd sees value or where sharp money is flowing.
On Polymarket, this market is priced through an automated market maker that converts trader activity 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, so the price adjusts in real time as buyers and sellers interact. Higher trading volume typically narrows spreads and improves price efficiency, while lower volume can widen the gap between bid and ask. The mechanism ensures transparent, friction-reduced pricing without reliance on a traditional order book.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official result of the tennis match—specifically, which player wins. Resolution occurs after the event is confirmed through established sports reporting channels, ensuring accuracy and fairness for all traders.
Several factors can shift odds before the match takes place. Injury reports or fitness updates for either player typically trigger sharp moves, as does news about recent tournament performance or head-to-head history. Court conditions, weather forecasts, and draw announcements can also influence trader positioning. Betting action from professional syndicates or sudden shifts in public sentiment may accelerate price swings. Closer to the event date, any last-minute scratches or official changes would likely cause dramatic repricing.