TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 7:00 AM EST
Polymarket
This market refers to the tennis match between Ida Johansson and Madison Sieg in the ITF Women Ystad, originally scheduled for June 16, 2026 at 7:00AM ET. This market will resolve to 'Ida Johansson' if Ida Johansson advances against Madison Sieg. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Ida Johansson. 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 Ida Johansson and Madison Sieg in the ITF Women Ystad, originally scheduled for June 16, 2026 at 7:00AM ET. This market will resolve to 'Ida Johansson' if Ida Johansson advances against Madison Sieg. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Ida Johansson. 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 serve different purposes and audiences. Sportsbooks set odds to balance their book and manage risk, incorporating a built-in margin. Prediction markets, by contrast, aggregate the beliefs of many independent traders with real money at stake, often producing prices that reflect genuine probability estimates. This market's odds may move faster or differently than traditional sportsbooks as new information surfaces, making side-by-side comparison useful for identifying value or consensus shifts in how the match is perceived.
On Polymarket, traders set the price of this market through an automated market maker mechanism, where buying and selling shares directly moves the odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing toward one outcome, the higher its price climbs; conversely, selling pressure lowers it. Each share represents a claim on the match result, and the price reflects the marginal trader's willingness to buy or sell at that moment. This continuous repricing ensures the market remains responsive to new information and trader conviction throughout the event window.
This market resolves around Jun 23, 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—specifically, which player wins the ITF Ystad event. Traders holding shares in the winning outcome will receive their payout, while positions on the losing side expire worthless. Resolution timing may shift slightly if the event is postponed, but the market will settle as soon as the verified result is available.
Several factors may shift odds before the match takes place. Recent player form, head-to-head records, and ranking changes can influence trader sentiment. Injury reports or withdrawal announcements would trigger sharp repricing. Court surface conditions, weather forecasts, and tournament draw details may also sway expectations. Media coverage highlighting one player's momentum or weakness can prompt buying or selling surges. As the match date approaches, any official updates from the ITF or news about player preparation will likely drive trading activity and price adjustments.