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: Jul 25, 8:30 AM EST
Polymarket
This market refers to the tennis match between Hugo Dellien and Michele Ribecai in the Generali Open, Qualification, originally scheduled for July 18, 2026 at 8:30AM ET. This market will resolve to 'Hugo Dellien' if Hugo Dellien advances against Michele Ribecai. This market will resolve to 'Michele Ribecai' if Michele Ribecai advances against Hugo Dellien. 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 Hugo Dellien and Michele Ribecai in the Generali Open, Qualification, originally scheduled for July 18, 2026 at 8:30AM ET. This market will resolve to 'Hugo Dellien' if Hugo Dellien advances against Michele Ribecai. This market will resolve to 'Michele Ribecai' if Michele Ribecai advances against Hugo Dellien. 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 participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders risking real capital. This market aggregates decentralized forecasts without a traditional bookmaker, which can lead to sharper or more volatile pricing than conventional sports betting. Comparing the two reveals whether consensus leans bullish or bearish relative to traditional oddsmakers.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into continuous odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing each outcome, and the price of each share adjusts based on supply and demand. As more capital flows into one outcome, its price rises and the competing outcome's price falls. This mechanism ensures liquidity and allows traders to enter or exit positions at transparent, real-time rates throughout the trading window.
This market resolves around Jul 25, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official result of the qualification event. Until that point, traders can adjust positions as new information emerges, odds shift, and the event draws closer. Resolution timing is anchored to the scheduled match date, so mark your calendar to monitor final price action before settlement.
Player form, recent match results, injury reports, and head-to-head history are key catalysts that typically shift odds in tennis markets. News about either competitor's fitness, recent tournament performance, or surface preference can trigger sharp repricing. Betting action from informed traders and shifts in public sentiment also influence prices. As the match date approaches, late-breaking developments—such as withdrawal announcements or weather concerns—often create volatility. Monitor sports news and player social media for signals that could reshape this market's trajectory.