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 28, 6:15 AM EST
Polymarket
This market refers to the tennis match between Berfu Cengiz and Sophia Izabella Ragus in the ITF Women Gentofte, originally scheduled for July 21, 2026 at 6:15AM ET. This market will resolve to 'Berfu Cengiz' if Berfu Cengiz advances against Sophia Izabella Ragus. This market will resolve to 'Sophia Izabella Ragus' if Sophia Izabella Ragus advances against Berfu Cengiz. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Berfu Cengiz and Sophia Izabella Ragus in the ITF Women Gentofte, originally scheduled for July 21, 2026 at 6:15AM ET. This market will resolve to 'Berfu Cengiz' if Berfu Cengiz advances against Sophia Izabella Ragus. This market will resolve to 'Sophia Izabella Ragus' if Sophia Izabella Ragus advances against Berfu Cengiz. 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 International Tennis Federation (ITF). 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 protect their margin, while prediction markets aggregate the collective beliefs of traders who have real money at stake on outcomes. This market may price the match differently than traditional sportsbooks because traders continuously update their positions based on breaking news, player form, and injury reports. Comparing the two can reveal where one venue sees value the other has missed, though both aim to reflect underlying match probabilities.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome has a price between 0 and 1 representing the implied probability; as more traders back one player, that outcome's price rises and the opposing price falls. The spread between bid and ask reflects current liquidity and uncertainty. Traders profit by correctly predicting the match result, incentivizing accurate pricing as new information arrives before the event concludes.
This market resolves around Jul 28, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by which player wins the ITF Gentofte match; no partial or conditional resolutions apply. Traders holding positions on the winning player receive their payout, while those on the losing side forfeit their stake. Resolution typically occurs within hours of the final point, allowing the market to settle quickly and fairly based on the official match result.
Player injuries, recent form, head-to-head records, and court conditions can all shift market prices significantly. An announcement that one competitor is struggling with illness or a muscle strain could trigger sharp repricing. Betting syndicates or professional traders entering the market with large positions may also move odds as they deploy capital based on proprietary analysis. Weather delays, surface changes, or unexpected lineup news closer to match day can create volatility. Social media sentiment and analyst commentary may influence retail traders, adding momentum to price swings in either direction.