TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 4:00 AM EST
Polymarket
This market refers to the tennis match between Alex Molcan and Valentin Royer in the Croatia Open, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Alex Molcan' if Alex Molcan advances against Valentin Royer. This market will resolve to 'Valentin Royer' if Valentin Royer advances against Alex Molcan. 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 Alex Molcan and Valentin Royer in the Croatia Open, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Alex Molcan' if Alex Molcan advances against Valentin Royer. This market will resolve to 'Valentin Royer' if Valentin Royer advances against Alex Molcan. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven purely by trader belief and real-money risk. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on whether informed traders see value the books have missed. Comparing the two can reveal where consensus disagrees and highlight potential mispricings worth monitoring.
On Polymarket, this market is priced through an automated market maker that adjusts odds continuously as traders place bets. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome share reflects the collective confidence of all participants; as more capital flows toward one player, that share's price rises and the implied probability updates in real time. This mechanism ensures transparent, friction-free pricing without a traditional bookmaker setting fixed lines.
This market resolves around Jul 20, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. Until that point, traders can buy and sell shares as odds fluctuate with breaking news, player updates, or shifting sentiment. Resolution is final once the event is confirmed through established sports news sources.
Several catalysts could shift odds before the match takes place. Injury announcements or withdrawal news for either player would trigger sharp repricing. Recent tournament results, head-to-head records, or surface-specific form could prompt traders to reassess. Court conditions, weather forecasts, and betting-market activity at traditional sportsbooks may also influence sentiment. Additionally, any official scheduling changes or player statements about fitness or motivation could spark volatility as new information reaches the market.