TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 8, 3:00 AM EST
Polymarket
This market refers to the tennis match between Marko Retelj and Melios Efstathiou in the ITF Men Store, originally scheduled for July 1, 2026 at 3:00AM ET. This market will resolve to 'Marko Retelj' if Marko Retelj advances against Melios Efstathiou. This market will resolve to 'Melios Efstathiou' if Melios Efstathiou advances against Marko Retelj. 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 Marko Retelj and Melios Efstathiou in the ITF Men Store, originally scheduled for July 1, 2026 at 3:00AM ET. This market will resolve to 'Marko Retelj' if Marko Retelj advances against Melios Efstathiou. This market will resolve to 'Melios Efstathiou' if Melios Efstathiou advances against Marko Retelj. 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 sportsbooks price events differently because they operate on distinct mechanisms. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets derive prices from real-time trader consensus. This market reflects what thousands of participants collectively believe will happen, often incorporating diverse information sources faster than traditional oddsmakers. Comparing the two can reveal gaps in how different groups assess the match, though each has strengths in accuracy and liquidity depending on event type and timing.
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 current market reflects strong conviction around one outcome, with pricing updated in real time as new trades execute. Liquidity and trading volume influence how easily you can enter or exit positions at competitive rates. As the match approaches, prices typically tighten and volatility may increase, especially if new information emerges about player form or conditions.
This market resolves around Jul 8, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—which player wins the ITF Store event. Until that point, prices may fluctuate based on pre-match news, player updates, or shifts in trader sentiment. Resolution is automatic once the event is confirmed, and all positions settle according to the final verified outcome.
Several factors could shift prices before the match concludes. Player injury reports, recent tournament performance, head-to-head records, and court surface conditions all influence trader expectations. Weather forecasts closer to the event date may also matter. Social media discussion, expert commentary, or betting syndicates entering the market can trigger rapid repricing. Any official announcements about the venue or scheduling changes could sway sentiment. Monitoring these signals helps you anticipate market moves and adjust your strategy accordingly.