TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 24, 4:15 AM EST
Polymarket
This market refers to the tennis match between Luca Castagnola and Nazar Oliynykov in the ITF Men Samobor, originally scheduled for June 17, 2026 at 4:15AM ET. This market will resolve to 'Luca Castagnola' if Luca Castagnola advances against Nazar Oliynykov. This market will resolve to 'Nazar Oliynykov' if Nazar Oliynykov advances against Luca Castagnola. 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 Luca Castagnola and Nazar Oliynykov in the ITF Men Samobor, originally scheduled for June 17, 2026 at 4:15AM ET. This market will resolve to 'Luca Castagnola' if Luca Castagnola advances against Nazar Oliynykov. This market will resolve to 'Nazar Oliynykov' if Nazar Oliynykov advances against Luca Castagnola. 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 odds to balance their book and lock in profit margins, while prediction markets like this one are driven by traders risking real capital to express their beliefs. Prediction markets can sometimes offer sharper, more efficient pricing because participants have direct financial exposure to accuracy. However, sportsbooks may incorporate additional data streams and professional oddsmaking expertise. Comparing the two can reveal where consensus differs and highlight potential value or contrarian opportunities in this market.
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. When more traders buy shares predicting one outcome, the price for that outcome rises and the opposing outcome falls, creating a dynamic equilibrium. The implied probability at any moment reflects the collective conviction of all active traders. Liquidity pools and order flow determine how quickly prices move in response to new information, so deeper liquidity typically means tighter spreads and more stable pricing around major news or developments.
This market resolves around Jun 24, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—specifically, which player wins the ITF Samobor event. Traders holding shares in the winning outcome will receive their payout, while those on the losing side will see their shares expire worthless. Resolution typically occurs within hours of the final point, pending confirmation from the tournament organizers and the platform's verification process.
Several factors could shift odds before the match unfolds. Recent tournament performance, head-to-head records, and player ranking changes often trigger repricing as new data emerges. Injury reports or withdrawal announcements can cause sharp moves, as can weather updates if conditions are expected to favor one playing style over another. Social media sentiment, expert commentary, and betting action from professional traders can also influence prices. Court surface conditions and player form in warm-up matches leading up to the event are common catalysts. Any official tournament updates or scheduling changes may also prompt traders to reassess their positions.