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 9, 6:00 AM EST
Polymarket
This market refers to the tennis match between Saba Purtseladze and Calvin Mueller in the ITF Men Marburg, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Saba Purtseladze' if Saba Purtseladze advances against Calvin Mueller. This market will resolve to 'Calvin Mueller' if Calvin Mueller advances against Saba Purtseladze. 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 Saba Purtseladze and Calvin Mueller in the ITF Men Marburg, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Saba Purtseladze' if Saba Purtseladze advances against Calvin Mueller. This market will resolve to 'Calvin Mueller' if Calvin Mueller advances against Saba Purtseladze. 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 odds to balance their book and lock in profit margins, while prediction markets like this one are driven purely by trader consensus—no house edge. Traders here have direct financial exposure to accuracy, which can surface information sportsbooks haven't yet priced in. Over time, prediction markets have shown strong calibration on sports outcomes. Comparing this market's odds to major sportsbooks can reveal where the crowd sees edge or where public perception lags behind expert consensus.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one outcome—either Purtseladze or Mueller winning—and the price of each share reflects the collective belief in that outcome's probability. As more traders buy one outcome, its price rises and the competing outcome's price falls, keeping the two sides balanced at roughly 100 cents combined. This continuous repricing mechanism ensures the market stays liquid and responsive to new information right up until the match concludes.
This market resolves around Jul 9, 2026, once the match between Purtseladze and Mueller is complete and the winner is verified against credible public sources. The outcome is determined by who wins the ITF Marburg singles match; there are no alternative scoring systems or contingencies. Traders who backed the correct winner receive their payout, while those on the losing side forfeit their stake. Resolution is typically swift after the match concludes, provided the result is unambiguous and publicly confirmed.
Several factors could shift odds before the match plays out. Recent tournament results, head-to-head records, and player form updates often trigger repricing as new information surfaces. Injury reports or withdrawal announcements would cause sharp moves. Court conditions, surface preference, and draw positioning can also influence trader sentiment. Media coverage highlighting one player's momentum or a rival's slump may sway the crowd. Betting activity on external sportsbooks sometimes leaks into prediction markets, moving prices as traders react to consensus shifts elsewhere. Close attention to player news and pre-match commentary will help you spot inflection points.