TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 6:15 AM EST
Polymarket
This market refers to the tennis match between Antonia Stoyanov and Vicky Van De Peer in the ITF Women Dinard, originally scheduled for June 16, 2026 at 6:15AM ET. This market will resolve to 'Antonia Stoyanov' if Antonia Stoyanov advances against Vicky Van De Peer. This market will resolve to 'Vicky Van De Peer' if Vicky Van De Peer advances against Antonia Stoyanov. 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 Antonia Stoyanov and Vicky Van De Peer in the ITF Women Dinard, originally scheduled for June 16, 2026 at 6:15AM ET. This market will resolve to 'Antonia Stoyanov' if Antonia Stoyanov advances against Vicky Van De Peer. This market will resolve to 'Vicky Van De Peer' if Vicky Van De Peer advances against Antonia Stoyanov. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven purely by trader belief and financial incentive to forecast accurately. This market aggregates the collective judgment of thousands of independent traders without the house edge, sometimes revealing signals that sportsbooks have not yet fully priced in. Comparing the two can highlight where consensus differs most sharply.
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 share represents a claim on one player winning, and the current price reflects the aggregate belief of all active traders. As new information emerges or trading volume shifts, prices adjust in real time, creating a dynamic probability estimate that updates continuously until market close.
This market resolves around Jun 23, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the tennis match, with no ambiguity over who advanced or won the contest. Resolution happens automatically once the event is confirmed through established sports reporting channels.
Player form, recent match results, injury reports, and head-to-head history can all shift trader conviction before the match begins. Court surface conditions, weather forecasts, and any last-minute lineup changes may also trigger price swings. Media coverage highlighting one player's momentum or weakness could accelerate trading activity. Additionally, if either competitor's odds shift dramatically on external sportsbooks, that information often flows into this market as traders react to new consensus signals.