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: Jun 30, 1:57 PM EST
Kalshi
Ella Seidel and Linda Noskova compete in the first set of their 2026 Wimbledon Women's Singles Round of 128 match on June 30. The winner of set 1 will be determined by standard tennis scoring rules.
Resolution depends on which player wins set 1 in the professional tennis match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. Postponements or delays keep the market open until 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 participant bases and incentive structures. Sportsbooks set odds to balance liability and extract a margin, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show higher or lower implied probabilities than major sportsbooks, depending on whether informed traders on Kalshi have different information or risk appetite than the broader betting public. Comparing the two can reveal arbitrage opportunities or signal where professional traders are positioning themselves.
On Kalshi, this market is priced through a continuous order book 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 share reflects the collective belief in that outcome's probability, ranging from near-zero to near-100 cents. As new information emerges or trader sentiment shifts, bids and asks adjust in real time. You can place limit or market orders to enter or exit positions, and the platform's matching engine executes trades instantly when counterparties are available at your desired price.
This market resolves around Jun 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome will be determined by which player wins the first set of the match. Once the result is official and verified, all positions will settle automatically and traders will receive their payouts based on the final odds at which they held their shares.
Several factors could shift odds significantly before resolution. Recent player form, head-to-head records, and court surface preferences often influence trader positioning. Injury reports or withdrawal announcements can trigger sharp repricing. Pre-match commentary from analysts and betting syndicates may signal where informed money is flowing. Weather conditions, seeding changes, or tournament bracket developments can also reshape expectations. Real-time match momentum—early breaks, momentum swings, or tactical adjustments during play—will drive the most dramatic price moves as traders react to live action.