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: Jun 25, 5:30 AM EST
Polymarket
This market refers to the tennis match between Gianluca Carlini and Billy Blaydes in the ITF Men Monastir, originally scheduled for June 18, 2026 at 5:30AM ET. This market will resolve to 'Gianluca Carlini' if Gianluca Carlini advances against Billy Blaydes. This market will resolve to 'Billy Blaydes' if Billy Blaydes advances against Gianluca Carlini. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Gianluca Carlini and Billy Blaydes in the ITF Men Monastir, originally scheduled for June 18, 2026 at 5:30AM ET. This market will resolve to 'Gianluca Carlini' if Gianluca Carlini advances against Billy Blaydes. This market will resolve to 'Billy Blaydes' if Billy Blaydes advances against Gianluca Carlini. 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 International Tennis Federation (ITF). 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 lock in profit margins, while prediction markets aggregate the collective beliefs of traders risking real capital on outcomes. This market may show different implied probabilities than traditional sports betting sites, particularly if one venue has sharper information flow or attracts more specialized participants. Comparing the two can reveal where consensus is strongest and where outlier views persist in the broader betting ecosystem.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the cumulative trading activity and the current balance of capital allocated to each side. As more traders back one outcome, its price rises and the competing outcome's price falls, creating a continuous equilibrium. This mechanism ensures that prices update in real time based on new information and shifting trader conviction, without reliance on a fixed odds-setter.
This market resolves around Jun 25, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect which player wins the ITF Monastir event, confirmed through official tournament records and reputable sports data sources. Until that point, traders can continue to adjust their positions as match day approaches and any relevant developments emerge. Resolution is automatic once the event is finalized and the winning outcome is locked in.
Several factors could shift trader positioning before resolution. Injury reports or withdrawal announcements involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data often drive significant moves as the match date nears. Court conditions, weather forecasts, and player fitness updates closer to game time can also influence sentiment. Media coverage highlighting form or tactical matchups may prompt traders to reassess probabilities, and any late-breaking news about either competitor's status could create volatility in this market.