TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 8, 10:30 PM EST
Opinion
In the upcoming WTA singles match scheduled for 2026-07-08 12:30 UTC: if Marta Kostyuk wins the match, this market resolves to "Marta Kostyuk"; if Jasmine Paolini wins, it resolves to "Jasmine Paolini". The winner is the first player to claim the required number of sets under the match's official best-of format. If the match begins but is not completed, a retirement or default counts the opposing player as the winner. If a walkover is declared before the first point is played, the match is outright canceled, or it is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. Suspensions caused by weather, fading light, or other tournament-imposed delays do not close this market — it stays open until the match is officially completed, provided it concludes within the 7-day window mentioned above. Resolution Source: The official WTA Tour scoring page. Note: This market will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
In the upcoming WTA singles match scheduled for 2026-07-08 12:30 UTC: if Marta Kostyuk wins the match, this market resolves to "Marta Kostyuk"; if Jasmine Paolini wins, it resolves to "Jasmine Paolini". The winner is the first player to claim the required number of sets under the match's official best-of format. If the match begins but is not completed, a retirement or default counts the opposing player as the winner. If a walkover is declared before the first point is played, the match is outright canceled, or it is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. Suspensions caused by weather, fading light, or other tournament-imposed delays do not close this market — it stays open until the match is officially completed, provided it concludes within the 7-day window mentioned above. Resolution Source: The official WTA Tour scoring page. Note: This market will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
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 like this one are driven by traders risking real capital on their beliefs about the outcome. Prediction markets can sometimes price outcomes more efficiently than sportsbooks because traders have direct financial exposure and no house edge to protect. Comparing this market's odds to major sportsbooks can reveal whether traders see value the books have missed or whether consensus has shifted.
On Opinion, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing each outcome. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective probability traders assign to that result, ranging from near-zero to near-certain. As new trades execute, prices adjust in real time. Liquidity providers and active traders help tighten spreads, making it easier to enter or exit positions at fair prices. The more capital deployed in this market, the more reliable the price signal becomes.
This market resolves around Jul 8, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will reflect the official winner as confirmed by the relevant tennis governing body or widely recognized sports reporting. Until that point, prices will fluctuate based on trader expectations, pre-match analysis, and any developments affecting player readiness or conditions. Resolution is final once the event is complete and the winner is publicly established.
Several catalysts could shift trader sentiment before the match. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific form updates often prompt position adjustments. Court conditions, weather forecasts, and draw announcements can also influence implied probabilities. Media coverage highlighting momentum or confidence statements from either player may sway the market. Betting syndicates or sharp money entering the market can signal new information, causing other traders to reassess their positions and move prices accordingly.