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: Aug 30, 2:05 PM EST
Polymarket
This market tracks whether the tennis match between Yibing Wu and Adam Walton at the US Open ATP will last over or under 3.5 sets, and on Polymarket the leading outcome currently sits at 100%. The resolution source for this market is https://www.atptour.com/en/scores/current. Watch for the match scheduled for August 30, 2026 at 11:00AM ET as this will determine the outcome.
This market refers to the tennis match between Yibing Wu and Adam Walton in the US Open ATP, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Yibing Wu' if Yibing Wu advances against Adam Walton. This market will resolve to 'Adam Walton' if Adam Walton advances against Yibing Wu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
On Polymarket, the current implied probability reflects trader sentiment and can diverge noticeably from traditional sportsbook lines. Prediction markets often price in nuanced factors faster than sportsbooks, which may lag due to broader public exposure or regulatory constraints. This market’s pricing incorporates real-time trader activity and can shift more aggressively with new tournament developments. While sportsbooks set fixed odds based on broader analytics, Polymarket’s dynamic model lets bettors capture shifts in perceived likelihood as the match approaches.
This market resolves around Sep 6, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The final price will reflect whether Yibing Wu or Adam Walton is declared the winner, based on official tournament announcements and widely accepted sports news sources. No additional analysis or interpretation is required beyond the publicly confirmed result.
Key signals include player injuries, recent form in lead-up matches, weather conditions at the tournament venue, and any last-minute strategic adjustments by coaches. High-profile media coverage or commentary from tennis analysts can also shift trader sentiment. As the match nears, any shift in betting volume or public polls may cause rapid price adjustments on Polymarket. The market will react strongly to any official tournament updates or unexpected disruptions.