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 2, 5:00 AM EST
Polymarket
This market refers to the tennis match between Petros Tsitsipas and Bozo Barun in the ITF Men Zagreb, originally scheduled for June 25, 2026 at 5:00AM ET. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Bozo Barun. This market will resolve to 'Bozo Barun' if Bozo Barun advances against Petros Tsitsipas. 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 Petros Tsitsipas and Bozo Barun in the ITF Men Zagreb, originally scheduled for June 25, 2026 at 5:00AM ET. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Bozo Barun. This market will resolve to 'Bozo Barun' if Bozo Barun advances against Petros Tsitsipas. 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 markets and traditional sportsbooks price outcomes differently because they operate under distinct incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets rely on trader consensus to discover prices. This market reflects what a diverse crowd of informed participants believes will happen, often incorporating real-time information faster than sportsbooks adjust their lines. Comparing this market's implied probability to major sportsbook offerings can reveal gaps in how different venues value the match, though prediction markets tend to be more efficient at incorporating breaking news and live developments.
On Polymarket, traders set the price of this market by buying and selling outcome shares in an automated market maker (AMM) pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the collective assessment of all active traders; as new information emerges or sentiment shifts, the pool adjusts automatically to balance supply and demand. Higher trading volume typically narrows the spread between bid and ask prices, making it cheaper to enter or exit positions. You can see the exact implied probability by observing the current share price, which directly translates to the market's confidence in each potential outcome.
This market resolves around Jul 2, 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 ITF Zagreb event. Resolution occurs after the tournament organizers and major sports news outlets confirm the final score, ensuring accuracy and preventing disputes. Until that point, traders can continue to buy and sell shares as new information about player form, injuries, or head-to-head dynamics emerges.
Several factors could shift trader sentiment before the match takes place. Recent performance by either player on hard courts, injury announcements, or changes in ranking could trigger significant repricing. Head-to-head history and playing style matchups often influence perception, especially if one player has a documented advantage. Weather conditions at the venue, court speed, and draw positioning in the tournament bracket may also prompt traders to reassess probabilities. Breaking news about player fitness, coaching changes, or unexpected withdrawals by other competitors could redirect attention and capital toward this matchup, causing sharp moves in the implied odds.