TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 9, 5:30 AM EST
Polymarket
This market refers to the tennis match between Akira Santillan and Alexander Donski in the Centurion 2, originally scheduled for June 2, 2026 at 5:30AM ET. This market will resolve to 'Akira Santillan' if Akira Santillan advances against Alexander Donski. This market will resolve to 'Alexander Donski' if Alexander Donski advances against Akira Santillan. 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 lines because they reflect decentralized crowd pricing rather than bookmaker margins and risk management. Sportsbooks adjust odds to balance liability, while prediction markets aggregate trader beliefs directly. For the Santillan vs Donski bout, comparing Polymarket probabilities to major sportsbook offerings can reveal where the crowd sees edge or mispricing. Prediction markets typically show tighter spreads and faster adjustment to breaking fighter news or injury reports than traditional books.
On Polymarket, the Centurion 2 event is priced through binary outcome contracts reflecting the probability each fighter wins. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares, with the contract price representing the implied probability of that outcome. Current pricing reflects available liquidity and recent trading activity on the platform. As the event date approaches and new information emerges about fighter condition or matchup dynamics, prices adjust to reflect updated market consensus on Akira Santillan versus Alexander Donski.
The Centurion 2 prediction market is scheduled to resolve on Jun 9, 2026. Resolution occurs after the fight concludes and the official result is confirmed. The outcome is determined by the fight's final result—whether Akira Santillan or Alexander Donski wins by knockout, submission, decision, or disqualification. Once the official ruling is published by the event organizers, the market settles accordingly, paying out traders who correctly predicted the winner.
Several catalysts could shift odds for Santillan versus Donski before Jun 9, 2026. Fighter injury announcements or withdrawal news would trigger sharp repricing. Training camp updates, recent fight footage, or coaching changes involving either competitor can influence trader sentiment. Weigh-in results and official fighter statements impact perceived readiness. Media narratives, betting syndicate activity, and lineup changes on the Centurion 2 card itself may also move the market. Close to fight day, last-minute health or logistical developments typically drive the largest probability swings.