TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 18, 6:12 AM EST
Polymarket
This market refers to the tennis match between Heorhii Shylov and Florian Zimmer in the ITF M15 Mistelbach Men, originally scheduled for August 18, 2026 at 4:00AM ET. This market will resolve to 'Heorhii Shylov' if Heorhii Shylov advances against Florian Zimmer. This market will resolve to 'Florian Zimmer' if Florian Zimmer advances against Heorhii Shylov. 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 Heorhii Shylov and Florian Zimmer in the ITF M15 Mistelbach Men, originally scheduled for August 18, 2026 at 4:00AM ET. This market will resolve to 'Heorhii Shylov' if Heorhii Shylov advances against Florian Zimmer. This market will resolve to 'Florian Zimmer' if Florian Zimmer advances against Heorhii Shylov. 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 often differ from traditional sportsbook lines because they reflect the collective wisdom of participating traders rather than set bookmaker margins. In this market, prediction odds incorporate real-time trading activity and can shift quickly based on new information, such as player injuries or weather updates. Sportsbook odds, by contrast, are typically adjusted less frequently and include an embedded house edge. Comparing the two can reveal gaps in perception or timing differences in how each market reacts to evolving conditions.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders set the price through their bets, which determine the implied probability for each possible outcome. The current top outcome reflects the aggregate of all recent trading activity, showing which side has drawn more support. Volume of $515 and 24-hour volume of $515 indicate how much interest the market has attracted, while price history charts let users see how sentiment has shifted in the run-up to Aug 25, 2026.
This market resolves around Aug 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the contract pays out to holders of the correct outcome once the data is publicly confirmed and immutable. Timing depends on when official sources report the final result, typically shortly after the match ends.
Injuries, weather delays, or last-minute player withdrawals could significantly shift this market as they affect the perceived likelihood of each player winning. Additionally, strong performance in warm-up matches, media interviews indicating confidence or concern, and betting trends on Polymarket can all influence trader sentiment. Any new information that changes expectations about player form, fitness, or match conditions may cause rapid price adjustments before the event concludes.