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 18, 1:15 PM EST
Polymarket
This market refers to the tennis match between Sophie Llewellyn and Lea Ma in the ITF Women Decatur, originally scheduled for June 11, 2026 at 1:15PM ET. This market will resolve to 'Sophie Llewellyn' if Sophie Llewellyn advances against Lea Ma. This market will resolve to 'Lea Ma' if Lea Ma advances against Sophie Llewellyn. 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 Sophie Llewellyn and Lea Ma in the ITF Women Decatur, originally scheduled for June 11, 2026 at 1:15PM ET. This market will resolve to 'Sophie Llewellyn' if Sophie Llewellyn advances against Lea Ma. This market will resolve to 'Lea Ma' if Lea Ma advances against Sophie Llewellyn. 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 lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital. This market's odds may lead or lag traditional sportsbook lines depending on which venue attracts sharper information first. Comparing the two can reveal where consensus is strongest or where informed traders see value.
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. The price of each outcome reflects the collective probability estimate of all active traders at any given moment. As new information surfaces or trading interest shifts, prices adjust continuously. You can enter or exit positions at the current market price, and your trades directly influence the odds displayed on the platform.
This market resolves around Jun 18, 2026, once the match concludes and the result is verified against credible public sources. The outcome will be confirmed based on the official match result reported by the ITF or other authoritative tennis governing bodies. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution happens automatically once the event is finalized and reported.
Several factors could shift odds before the match takes place: recent performance by either player, injury announcements or fitness updates, head-to-head records, court surface conditions, and tournament draw developments. News coverage of either competitor's form or confidence can also influence trader sentiment. Weather forecasts closer to the event date may matter if conditions favor one playing style. Betting action from sharp bettors or notable tipsters can trigger rapid repricing as new conviction enters the market.