TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 2, 12:55 PM EST
Kalshi
This event group covers a Wimbledon WTA doubles match between Harriet Dart/Maia Lumsden and Aldila Sutjiadi/Janice Tjen, scheduled for July 2, 2026. Multiple prediction markets track both the match outcome and whether the match completes under normal play conditions.
This market refers to the doubles tennis match between Dart/Lumsden and Sutjiadi/Tjen in the Wimbledon WTA, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Dart/Lumsden' if the team of Dart/Lumsden advances against Sutjiadi/Tjen. This market will resolve to 'Sutjiadi/Tjen' if the team of Sutjiadi/Tjen advances against Dart/Lumsden. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.
Resolution requires that a ball be played in the match to confirm it has officially commenced. The market resolves to Yes for whichever team wins the match after play has begun. If the match is cancelled before any ball is played due to injury, walkover, forfeiture, or other circumstances, the market resolves to a fair price per standard rules. Should the match be postponed or delayed, the market remains open and closes following the rescheduled match completion within two weeks.
On Polymarket, traders set odds through an automated market maker, while Kalshi uses order-book mechanics with regulatory oversight. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, risk tolerances, and liquidity profiles. Polymarket's larger user base may price in broader sentiment, whereas Kalshi's structured environment can reflect more conservative or institutional positioning. Settlement timing, fee structures, and platform-specific rules also influence how each venue prices the Dart/Lumsden versus Sutjiadi/Tjen outcome, creating natural arbitrage opportunities for cross-platform traders.
Player injuries, withdrawals, or fitness updates for any of the four competitors could trigger sharp repricing. Recent head-to-head records, court conditions, and draw positioning within the tournament bracket influence trader conviction. Media coverage, expert commentary, and betting syndicate activity often precede retail-driven moves. Changes in implied odds on related markets—such as singles outcomes for Dart, Lumsden, Sutjiadi, or Tjen—can cascade into this doubles market. Monitor official Wimbledon announcements and tennis injury reports for catalysts that shift market consensus before the match begins.