TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 11:00 AM EST
Polymarket
This market refers to the tennis match between Madison Brengle and Carolina Gomez in the ITF Women Decatur, originally scheduled for June 11, 2026 at 11:00AM ET. This market will resolve to 'Madison Brengle' if Madison Brengle advances against Carolina Gomez. This market will resolve to 'Carolina Gomez' if Carolina Gomez advances against Madison Brengle. 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 Madison Brengle and Carolina Gomez in the ITF Women Decatur, originally scheduled for June 11, 2026 at 11:00AM ET. This market will resolve to 'Madison Brengle' if Madison Brengle advances against Carolina Gomez. This market will resolve to 'Carolina Gomez' if Carolina Gomez advances against Madison Brengle. 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 odds to balance their book and lock in profit margins, while prediction markets like this one are driven by traders seeking to profit from accurate forecasts. Sportsbooks may move lines based on betting volume and liability, whereas this market adjusts continuously as new information emerges and traders update their beliefs. Comparing the two can reveal mispricings: if prediction market odds suggest a higher or lower probability than sportsbooks, it may signal an opportunity or highlight where one venue has better information.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome are bought and sold continuously, and the current price of a share reflects the market's implied probability. As more traders back one outcome, its price rises and the competing outcome's price falls, creating a self-correcting mechanism. This decentralized pricing model means the market price at any moment represents the aggregate belief of all active participants, updated in real time without a central operator setting fixed odds.
This market resolves around Jun 18, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—which player wins the ITF Decatur event. Traders holding shares in the winning outcome will receive their payout, while those on the losing side forfeit their stake. Resolution typically occurs within hours of the final point, pending confirmation from the tournament organizer or established sports data providers.
Several catalysts could shift odds before the match begins. Recent tournament results, player rankings, and head-to-head records are key factors traders monitor. Injury announcements or withdrawal news would trigger sharp repricing. Court surface conditions, weather forecasts, and player form leading up to the event also influence sentiment. Media coverage highlighting one player's momentum or a notable upset in earlier rounds can sway the market. Closer to match day, betting patterns and late-breaking news—such as coaching changes or personal circumstances—may prompt final adjustments as traders incorporate fresh information into their forecasts.