TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 6, 4:00 AM EST
Polymarket
This market refers to the tennis match between Alex Barrena and Hugo Dellien in the Milan, originally scheduled for June 29, 2026 at 4:00AM ET. This market will resolve to 'Alex Barrena' if Alex Barrena advances against Hugo Dellien. This market will resolve to 'Hugo Dellien' if Hugo Dellien advances against Alex Barrena. 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 Alex Barrena and Hugo Dellien in the Milan, originally scheduled for June 29, 2026 at 4:00AM ET. This market will resolve to 'Alex Barrena' if Alex Barrena advances against Hugo Dellien. This market will resolve to 'Hugo Dellien' if Hugo Dellien advances against Alex Barrena. 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 traditional sportsbook odds often diverge because they operate under different incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are priced by traders seeking to profit on accuracy. This market may reflect sharper or more up-to-date information than some sportsbooks, especially as match day approaches. Comparing the two can reveal where professional bettors and casual traders disagree on true win probability.
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. Each outcome's price directly represents the collective probability estimate—higher prices mean traders believe that result is more likely. As new information surfaces or sentiment shifts, traders adjust their positions, moving prices in real time. The spread between bid and ask prices reflects liquidity and uncertainty at any given moment.
This market resolves around Jul 6, 2026, once the tennis match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the competition—whichever player wins the match will be confirmed as the correct resolution. Traders holding shares in the winning outcome receive their payout, while incorrect positions expire worthless. The resolution process is straightforward and tied directly to the match result.
Several factors could shift this market significantly before resolution. Recent form, head-to-head records, and injury reports on either player will influence trader positioning. Court surface conditions in Milan and weather forecasts may favor one competitor over the other. News about player fitness, mental state, or external pressures can trigger rapid repricing. As the match date approaches, late-breaking developments and expert commentary often drive final adjustments in implied probability, making the days leading up to play particularly volatile.