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: Jul 27, 4:00 AM EST
Polymarket
This market refers to the tennis match between Pedro Boscardin Dias and Otto Virtanen in the Tampere, originally scheduled for July 20, 2026 at 4:00AM ET. This market will resolve to 'Pedro Boscardin Dias' if Pedro Boscardin Dias advances against Otto Virtanen. This market will resolve to 'Otto Virtanen' if Otto Virtanen advances against Pedro Boscardin Dias. 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 Boscardin Dias and Otto Virtanen in the Tampere, originally scheduled for July 20, 2026 at 4:00AM ET. This market will resolve to 'Pedro Boscardin Dias' if Pedro Boscardin Dias advances against Otto Virtanen. This market will resolve to 'Otto Virtanen' if Otto Virtanen advances against Pedro Boscardin Dias. 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 reflect different incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets are driven purely by trader consensus—no house edge. This market aggregates the collective judgment of participants who profit or lose based on accuracy, creating a mechanism that frequently outperforms traditional oddsmakers on event outcomes. Comparing this market's prices to major sportsbooks can reveal where the crowd sees value that bookmakers may have missed.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the ratio of buy and sell orders determines the odds you see. As more traders back one fighter, that outcome's price rises and the opposing outcome falls. This dynamic pricing model ensures the market stays liquid and responsive to new information throughout the trading period.
This market resolves around Jul 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning shares will be determined by the official result of the matchup. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless. Resolution typically occurs shortly after the event concludes and the result is publicly available.
Several factors can shift odds before the fight takes place. Fighter news—injuries, training updates, or public statements—often triggers sharp price moves. Weigh-in results, changes in betting odds at major sportsbooks, and social media momentum can also influence trader sentiment. Closer to the event date, late-breaking developments like opponent changes or venue issues may cause volatility. Monitoring these signals helps traders anticipate market swings and adjust positions accordingly.