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: Jul 8, 4:00 AM EST
Polymarket
This market refers to the tennis match between Michel Hopp and Federico Iannaccone in the ITF Men Marburg, originally scheduled for July 1, 2026 at 4:00AM ET. This market will resolve to 'Michel Hopp' if Michel Hopp advances against Federico Iannaccone. This market will resolve to 'Federico Iannaccone' if Federico Iannaccone advances against Michel Hopp. 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 Michel Hopp and Federico Iannaccone in the ITF Men Marburg, originally scheduled for July 1, 2026 at 4:00AM ET. This market will resolve to 'Michel Hopp' if Michel Hopp advances against Federico Iannaccone. This market will resolve to 'Federico Iannaccone' if Federico Iannaccone advances against Michel Hopp. 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 driven by trader consensus and real-money incentives to forecast accurately. Prediction markets can sometimes offer sharper pricing because participants have direct financial exposure to being wrong. However, sportsbooks may move faster on breaking news or injury reports. Comparing the two can reveal where public opinion on this match differs from professional oddsmakers' views.
On Polymarket, traders set the odds 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. Each share represents a claim on one outcome, and the price of each share reflects the collective belief of all traders about its likelihood. As more traders buy shares for Hopp or Iannaccone, the price of that outcome rises and the competing outcome falls, maintaining a zero-sum dynamic. This continuous repricing ensures the market stays responsive to new information and trader sentiment throughout the trading window.
This market resolves around Jul 8, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official winner declared by the ITF or the tournament organizer. Traders holding shares in the winning outcome will receive their payout, while losing positions expire worthless. The resolution is straightforward: whichever player wins the match determines the market result.
Several factors could shift odds before the match concludes. Recent form and head-to-head records between the two players often trigger repricing as traders reassess win probabilities. Injury announcements or withdrawal news would cause sharp moves. Court surface conditions, weather forecasts, and draw position updates can influence trader positioning. Betting patterns from professional syndicates or sudden volume spikes may signal new information entering the market. Real-time match developments—such as early set results or momentum shifts—typically generate the most volatile price swings as traders update their expectations dynamically.