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: Jun 17, 4:00 AM EST
Polymarket
This market refers to the tennis match between Vitaliy Sachko and Thanasi Kokkinakis in the Bratislava, originally scheduled for June 10, 2026 at 4:00AM ET. This market will resolve to 'Vitaliy Sachko' if Vitaliy Sachko advances against Thanasi Kokkinakis. This market will resolve to 'Thanasi Kokkinakis' if Thanasi Kokkinakis advances against Vitaliy Sachko. 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds on Polymarket often diverge from traditional sportsbook odds because they reflect real-time crowd sentiment and continuous trading rather than fixed lines set by oddsmakers. Sportsbooks typically adjust odds to balance liability, while prediction markets move dynamically based on incoming information and trader conviction. For the Sachko versus Kokkinakis match, comparing Polymarket implied probabilities to major sportsbook spreads can reveal whether the crowd is pricing in factors—such as recent form, head-to-head records, or court conditions in Bratislava—differently than professional oddsmakers. Discrepancies may signal value opportunities for informed bettors.
On Polymarket, the Sachko versus Kokkinakis match is priced as a binary outcome contract reflecting the probability that each player wins the match. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The contract trades continuously, with prices updating as new trades execute; the current implied probability for the top outcome is displayed alongside the bid-ask spread. Traders buy and sell shares at prices between 0 and 1 (or 0–100 cents), with payouts determined by the final match result. Volume and liquidity on Polymarket determine how easily traders can enter or exit positions without significant slippage.
The market resolves on Jun 17, 2026, after the match concludes in Bratislava. Resolution is determined by the official result of the Sachko versus Kokkinakis tennis match. The winning outcome is confirmed once the match is completed and the result is finalized by the tournament organizers or official ATP records. Traders should monitor the match schedule and any potential delays or postponements that could affect the resolution date. Once the match outcome is official, the market settles and payouts are distributed accordingly.
Key catalysts include recent tournament performance by both players, injury updates or fitness concerns, head-to-head records on clay or hard courts, and weather conditions in Bratislava on match day. News of coaching changes, mental health disclosures, or significant ranking shifts could also shift market odds. Court surface preference, playing style matchups, and momentum from prior rounds in the tournament will influence trader positioning. Live match action—such as early set results or momentum swings—will drive real-time price movements on Polymarket as participants update their conviction based on unfolding events.