TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 6:30 AM EST
Polymarket
This market refers to the tennis match between John Sperle and Alexandr Tiutchenko in the ITF Men Nyiregyhaza, originally scheduled for June 11, 2026 at 6:30AM ET. This market will resolve to 'John Sperle' if John Sperle advances against Alexandr Tiutchenko. This market will resolve to 'Alexandr Tiutchenko' if Alexandr Tiutchenko advances against John Sperle. 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 John Sperle and Alexandr Tiutchenko in the ITF Men Nyiregyhaza, originally scheduled for June 11, 2026 at 6:30AM ET. This market will resolve to 'John Sperle' if John Sperle advances against Alexandr Tiutchenko. This market will resolve to 'Alexandr Tiutchenko' if Alexandr Tiutchenko advances against John Sperle. 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 manage risk, while prediction markets like this one are driven by traders seeking profit through accurate forecasting. This market's odds may lead or lag sportsbook lines depending on information flow and trader conviction. Comparing the two can reveal where professional bettors and prediction market participants disagree on the likely outcome, offering insight into which assessment may be undervalued.
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—Sperle or Tiutchenko winning—reflects the ratio of shares held in the liquidity pool, with prices moving as trades occur. Higher trading volume typically narrows spreads and improves price accuracy. Traders profit by correctly predicting the match result, which incentivizes them to incorporate all available information into their positions, making the market price a real-time consensus forecast.
This market resolves around Jun 18, 2026, once the ITF Nyiregyhaza match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the match according to official tournament records. No ambiguity typically surrounds tennis match results, so resolution is straightforward once the event is complete and confirmed through reliable sources. Traders holding shares in the winning outcome receive their payout automatically upon resolution.
Market prices may shift based on player news such as injuries, recent form, head-to-head records, or court surface preferences. Betting action from informed traders can also drive movement if they believe the current odds misprice one player's chances. Weather conditions, scheduling changes, or updates on player fitness closer to match day may trigger repricing. Early match momentum—if live betting data or unofficial reports emerge—could influence late traders. Monitor player social media, tournament updates, and betting volume spikes as potential catalysts for significant price swings.