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: Jul 17, 11:00 AM EST
Polymarket
This market refers to the tennis match between Liam Broady and Alex Michelsen in the Newport, originally scheduled for July 10, 2026 at 11:00AM ET. This market will resolve to 'Liam Broady' if Liam Broady advances against Alex Michelsen. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Liam Broady. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Liam Broady and Alex Michelsen in the Newport, originally scheduled for July 10, 2026 at 11:00AM ET. This market will resolve to 'Liam Broady' if Liam Broady advances against Alex Michelsen. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Liam Broady. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 ATP Tour. A consensus of credible reporting may also be used.
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 aggregate the collective beliefs of traders risking real capital. For this market, comparing the implied probability here to major sportsbooks' spreads can reveal whether one venue perceives a stronger edge for either player. Prediction markets sometimes lead sportsbooks in pricing efficiency, especially when informed traders spot value early.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the collective assessment of match probability. As traders buy or sell, the price adjusts algorithmically to balance supply and demand. This mechanism ensures transparent, friction-free pricing without a traditional bookmaker setting fixed lines.
This market resolves around Jul 17, 2026, once the Newport match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. No ambiguity exists in tennis match outcomes, making resolution straightforward and final. Traders should monitor the event schedule to confirm exact timing and ensure they understand the resolution window.
Several factors may shift odds before Jul 17, 2026. Recent player form, injury reports, head-to-head records, and court surface performance are key catalysts. Betting action from sharp traders or public money can also drive price swings. News about either player's fitness, recent tournament results, or changes to the draw may trigger repricing. Close to match day, weather conditions and final warm-up results often influence last-minute trading, so monitoring these signals helps you anticipate market moves.