TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 1, 8:27 AM EST
Kalshi
This market covers the first set of the professional tennis match between Zeynep Sonmez and Claire Liu at the 2026 Wimbledon Women's Singles Round of 64 on July 1. Bettors predict which player will win that specific set.
Resolution is determined by the outcome of set 1 in the Zeynep Sonmez vs Claire Liu match at 2026 Wimbledon Women's Singles Round of 64. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If 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 resolved to Fair Market Price at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different incentive structures. 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 risk. Prediction markets tend to aggregate dispersed information efficiently, sometimes offering sharper or earlier signals than traditional betting lines. Comparing this market's odds to major sportsbooks can reveal where informed traders see value or where public perception may lag behind actual probabilities.
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 share reflects the collective belief about the likelihood of that player winning Set 1, ranging from $0 to $1. As traders place bids and offers, the mid-market price adjusts in real time, creating a dynamic equilibrium that incorporates all available information and trader sentiment up to the market's close.
This market resolves around Jul 1, 2026, once the Sonmez vs Liu match concludes and the Set 1 winner is verified against credible public sources. The outcome is determined by which player wins the first set according to official tournament records or reliable sports data. No further action is required from traders after the event concludes; the platform will confirm the result and settle all positions automatically based on the verified outcome.
Several factors could shift odds in this market before resolution. Player injury announcements, recent tournament results, or changes in ranking or form can trigger significant repricing. Court surface conditions, weather forecasts, and head-to-head history may also influence trader positioning. News about either player's fitness, mental state, or preparation level could move the needle. Additionally, early-round performance in the same tournament or related matches might prompt traders to reassess their probability estimates for this specific set outcome.