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 15, 5:00 AM EST
Polymarket
This market refers to the tennis match between Ioannis Xilas and Isac Stroemberg in the ITF Men Kassel, originally scheduled for July 8, 2026 at 5:00AM ET. This market will resolve to 'Ioannis Xilas' if Ioannis Xilas advances against Isac Stroemberg. This market will resolve to 'Isac Stroemberg' if Isac Stroemberg advances against Ioannis Xilas. 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 Ioannis Xilas and Isac Stroemberg in the ITF Men Kassel, originally scheduled for July 8, 2026 at 5:00AM ET. This market will resolve to 'Ioannis Xilas' if Ioannis Xilas advances against Isac Stroemberg. This market will resolve to 'Isac Stroemberg' if Isac Stroemberg advances against Ioannis Xilas. 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 lock in profit margins, while prediction markets are driven purely by trader belief and capital allocation. This market may offer sharper or more efficient pricing than traditional sportsbooks, especially if traders have specialized knowledge of the players or court conditions. Comparing the two can reveal where smart money is positioning itself ahead of the match.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing into one outcome, the higher its price climbs, and vice versa. This continuous repricing mechanism ensures the market reflects the collective conviction of all participants in real time. Liquidity and trading depth influence how quickly prices respond to new information or shifting expectations about the match result.
This market resolves around Jul 15, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—either Xilas or Stroemberg will be confirmed as the winner. Resolution occurs after the event is finalized and reported by recognized tennis authorities or media. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless.
Several catalysts could shift odds before the match begins. Injury announcements or fitness updates for either player would trigger sharp repricing. Recent tournament results, head-to-head records, or changes in court conditions could influence trader positioning. News about player motivation, ranking implications, or external circumstances may also sway sentiment. As the match date approaches, any official statements or late-breaking developments could cause rapid price swings, so monitoring news feeds and player social media is valuable for staying ahead of market moves.