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 13, 10:26 AM EST
Kalshi
Harry Wendelken and Adam Walton compete in the second set of their professional tennis match during the 2026 ATP London Qualification Round 1 on June 14. The market determines which player wins this individual set.
Resolution depends on which player wins set 2 of 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 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 lines to balance action and lock in profit margins, while prediction markets like this one are driven by trader conviction and real-money stakes. Traders here are motivated purely by accuracy, not by managing liability across multiple bets. This can lead prediction markets to price outcomes more efficiently than traditional sportsbooks, especially in niche events where sportsbook liquidity is thin. Comparing the two can reveal valuable arbitrage or validation opportunities.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers submit bids and offers that determine the real-time probability. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the consensus of all active traders at any given moment. As new information surfaces—injury reports, recent form, or match conditions—traders adjust their positions, and the price moves accordingly. You can enter limit or market orders to trade at your preferred price, and the spread between bid and ask represents the current market uncertainty around the outcome.
This market resolves around Jun 14, 2026, once the second set of the Wendelken vs Walton match concludes. The outcome will be confirmed against credible public sources covering professional tennis results. At that point, the market will settle to either yes or no based on who is verified as the set winner. Until resolution, you can continue to trade your position, allowing you to lock in gains, cut losses, or adjust your exposure as new match information becomes available.
Several factors could shift odds before Jun 14, 2026. Player injury announcements or withdrawal news would have immediate impact. Recent tournament results, head-to-head records, or surface-specific performance data can reshape trader expectations. Court conditions—such as weather, court speed, or humidity—often influence set outcomes and may trigger repricing. Betting action from sharp traders or sudden volume spikes can also signal new information entering the market. Live match updates during the first set may reveal form, momentum, or tactical adjustments that influence how traders price the second set outcome.