TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
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 30, 10:07 AM EST
Kalshi
This market tracks the winner of the first set in the professional tennis match between Beatriz Haddad Maia and Maria Timofeeva at the 2026 Wimbledon Women's Singles Round of 128 on June 30. The outcome depends on which player wins the first set during regulation play.
The market resolves based on which player wins set 1 in the match. If the match does not occur before play begins 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 priced by traders expressing genuine belief about the outcome. Prediction markets can sometimes offer sharper, more efficient pricing because traders have direct financial incentive to identify mispricings. However, sportsbooks may move faster on breaking news or injury reports. Comparing this market's odds to major sportsbooks can reveal opportunities if you believe one venue has mispriced the set winner relative to the other.
On Kalshi, this market is priced through continuous trading, where buyers and sellers submit orders that determine the odds in real time. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome—Haddad Maia or Timofeeva winning Set 1—has its own contract, and the price reflects the cumulative belief of all traders. As new information emerges or sentiment shifts, traders adjust their bids and asks, causing the odds to move dynamically. This auction-style mechanism ensures prices stay responsive to market conditions and available information right up until the set concludes.
This market resolves around Jun 30, 2026, once the first set of the Haddad Maia vs Timofeeva match concludes. The outcome is determined by verifying the set winner against credible public sources covering professional tennis. Once the result is confirmed and finalized, the market settles and traders receive payouts based on their positions. Mark your calendar for the match date to stay informed, and monitor any schedule changes or postponements that might affect resolution timing.
Several factors can shift odds in this market before the set concludes. Recent form and head-to-head records between the players often influence trader positioning. Injury reports or fitness concerns announced before the match can trigger sharp price moves. Court surface, weather conditions, and tournament context also matter—players perform differently on clay, grass, or hard courts. Betting action from sharp money or public sentiment swings can accelerate price changes. Close to match time, any lineup confirmations or last-minute news typically drive final adjustments as traders lock in their final positions.