TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 7:00 AM EST
Polymarket
This market refers to the tennis match between Jeremy Schifris and John Sperle in the ITF Men Gyula, originally scheduled for June 16, 2026 at 7:00AM ET. This market will resolve to 'Jeremy Schifris' if Jeremy Schifris advances against John Sperle. This market will resolve to 'John Sperle' if John Sperle advances against Jeremy Schifris. 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 Jeremy Schifris and John Sperle in the ITF Men Gyula, originally scheduled for June 16, 2026 at 7:00AM ET. This market will resolve to 'Jeremy Schifris' if Jeremy Schifris advances against John Sperle. This market will resolve to 'John Sperle' if John Sperle advances against Jeremy Schifris. 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 traditional sportsbook odds often diverge because they reflect different mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are priced by traders seeking to profit from accurate forecasts. Prediction markets can sometimes offer sharper, more efficient pricing because participants have direct financial incentive to correct mispricings. However, sportsbooks may move faster on breaking news. Comparing the two can reveal where consensus differs and highlight potential value opportunities.
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 collective belief of all participants about the likelihood of that result. As new information surfaces—such as player injuries, recent form, or court conditions—traders adjust their positions, pushing prices up or down. Higher prices indicate stronger confidence in that outcome, while lower prices suggest lower perceived probability. This continuous repricing mechanism ensures the market remains responsive to evolving circumstances.
This market resolves around Jun 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect which player wins the match according to official tournament records and recognized sports data sources. Until that point, prices may fluctuate as traders reassess probabilities based on pre-match developments, player news, and other relevant signals. Once the match concludes and the winner is officially recorded, the market settles accordingly and trading ceases.
Several factors could shift prices before the match concludes. Announcements regarding player injuries, withdrawals, or fitness concerns would likely trigger sharp moves. Recent tournament results, head-to-head records, or changes in court conditions could also influence trader positioning. Betting action from professional syndicates or sharp money may signal new information and prompt repricing. Media coverage highlighting one player's momentum or form could sway sentiment. Additionally, any last-minute lineup confirmations or coaching changes might prompt traders to reassess their positions and adjust their exposure accordingly.