TOTAL VOLUME:
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OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 29, 7:16 AM EST
Kalshi
This market determines the winner of the first set in the professional tennis match between Mananchaya Sawangkaew and Maja Chwalinska at the 2026 Wimbledon Women's Singles Round of 128 on June 29.
The market resolves based on which player wins set 1 of the match. If the match does not occur before it starts due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at Fair Market Price at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by trader consensus and real-money incentives to forecast accurately. Traders on this market are financially motivated to price the set winner correctly, which can lead to sharper odds than traditional sportsbooks. However, sportsbooks may move faster on breaking news or injury reports. Comparing both sources can reveal valuable insights into where smart money is positioned.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the probability traders assign to that result, with shares trading between 0 and 100 cents. As new information emerges or sentiment shifts, traders adjust their bids and asks, moving the price dynamically. This decentralized pricing approach aggregates dispersed knowledge from all participants, creating a market-driven forecast of who will win the first set.
This market resolves around Jun 29, 2026, once the first set of the Sawangkaew versus Chwalinska match concludes and the result is verifiable from credible public sources. The outcome is determined by which player wins the set according to official tennis scoring rules. Resolution occurs after the event is confirmed through reliable reporting, ensuring accuracy before payouts are finalized. Traders should monitor the match schedule and any official updates from the tournament organizers leading up to that date.
Several factors could shift odds before resolution. Player form and recent match results are key catalysts, as strong performances or slumps influence trader confidence. Injury reports or fitness concerns about either competitor can trigger sharp repricing. Head-to-head history and surface conditions on match day also matter significantly in tennis. Weather forecasts, court assignments, and any changes to tournament scheduling may prompt trading activity. Additionally, betting action from professional syndicates or notable traders can move prices as new capital enters the market closer to the event.