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 15, 8:00 AM EST
Polymarket
This market refers to the tennis match between Pedro Martinez and Maks Kasnikowski in the Iasi, originally scheduled for July 8, 2026 at 8:00AM ET. This market will resolve to 'Pedro Martinez' if Pedro Martinez advances against Maks Kasnikowski. This market will resolve to 'Maks Kasnikowski' if Maks Kasnikowski advances against Pedro Martinez. 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.
This market refers to the tennis match between Pedro Martinez and Maks Kasnikowski in the Iasi, originally scheduled for July 8, 2026 at 8:00AM ET. This market will resolve to 'Pedro Martinez' if Pedro Martinez advances against Maks Kasnikowski. This market will resolve to 'Maks Kasnikowski' if Maks Kasnikowski advances against Pedro Martinez. 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 and sportsbook odds often diverge because they serve different purposes and audiences. Sportsbooks set odds to balance action and manage risk, incorporating their own margins. Prediction markets like this one aggregate the beliefs of many independent traders with real money at stake, creating a decentralized price discovery mechanism. While sportsbooks may move odds based on betting patterns, this market reflects trader conviction across a broader participant base. Neither is inherently more accurate, but they offer complementary perspectives on fight outcomes.
On Polymarket, traders set prices 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. The price of each outcome reflects the ratio of shares held in the liquidity pool; as more traders back one fighter, that outcome's share price rises and the opposing outcome falls. This continuous repricing ensures the market stays responsive to new information and trader sentiment. Prices converge toward zero or one as the event date nears and uncertainty resolves.
This market resolves around Jul 15, 2026, once the fight concludes and the result is verifiable from credible public reporting. The outcome is determined by the official fight result—whether Martinez or Kasnikowski wins. Resolution occurs after the bout is completed and confirmed through established sports media and official boxing records. Traders holding shares in the winning outcome receive their payout once the market settles.
Several factors could shift odds before the fight. Injury announcements or withdrawal news would trigger sharp repricing. Training camp reports, sparring footage, or fighter statements shared on social media often influence trader positioning. Weigh-in results and official pre-fight press conferences can reveal physical condition or mental readiness. Betting action at major sportsbooks may signal professional sharp money entering the market. Media coverage highlighting one fighter's recent form or head-to-head history can also sway sentiment. Each development gives traders new information to reassess their probability estimates.