TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 29, 1:48 PM EST
Kalshi
This market tracks the outcome of the second set in the professional tennis match between Oleksandra Oliynykova and McCartney Kessler at the 2026 Wimbledon Women's Singles Round of 128 on June 29. The winner of set 2 will determine the market resolution.
Resolution is determined by which player wins set 2 in the match. If the match does not occur before it begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If postponed or delayed, the market remains 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 resolved to 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 generate profit margins, while prediction markets aggregate the collective beliefs of traders who have financial skin in the game. For this market, comparing the implied probabilities on Kalshi to those offered by major sportsbooks can reveal where traders and bookmakers disagree on the likelihood of each set winner. These differences can highlight value opportunities or signal where consensus is strongest.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing each possible outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the aggregate probability assigned by the market; a contract trading at 65 cents implies a 65% chance of that outcome occurring. As new trades execute, prices adjust dynamically. You can place limit or market orders to enter or exit positions, and the spread between bid and ask prices represents the current liquidity and consensus around the set winner.
This market resolves around Jun 29, 2026, once the second set of the Oliynykova versus Kessler match concludes and the result is verified against credible public sources. The outcome is determined by which player wins the set according to official match records. Until that point, traders can continue to buy and sell contracts as odds fluctuate with match developments, player performance, and other relevant information. Resolution is automatic once the event is confirmed.
Several factors could shift odds in this market before resolution. Player injury reports or withdrawal announcements would trigger sharp repricing. Performance in the first set, court conditions, and momentum swings during early games of the second set typically drive significant volume and price movement. Betting news from sportsbooks, social media sentiment, and expert commentary can also influence trader positioning. Real-time match statistics—such as serve effectiveness, break points, and set score progression—will be primary catalysts as the match unfolds and traders update their probability assessments.