TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 3, 5:34 PM EST
Polymarket
This market tracks whether the total number of sets played in the Dane Sweeny versus Lorenzo Musetti match at the US Open ATP will be over or under 3.5 sets. Currently, Polymarket gives a 100.0% probability to “Dane Sweeny vs. Lorenzo Musetti: Total Sets O/U 3.5”. Resolution will be based on the official results reported at https://www.atptour.com/en/scores/current. Keep an eye on the match itself, originally scheduled for September 2, 2026 at 11:00AM ET, as the outcome will depend on the number of sets ultimately played to determine the winner.
This market refers to the tennis match between Dane Sweeny and Lorenzo Musetti in the US Open ATP, originally scheduled for September 2, 2026 at 11:00AM ET. This market will resolve to 'Dane Sweeny' if Dane Sweeny advances against Lorenzo Musetti. This market will resolve to 'Lorenzo Musetti' if Lorenzo Musetti advances against Dane Sweeny. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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.
Often, prediction market odds offer a different perspective than traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, while prediction markets, like Polymarket, allow traders to directly assess probabilities. This can lead to discrepancies, especially when there's strong public sentiment or information asymmetry. If a large number of people believe one player will win, the odds on Polymarket may shift more dramatically than at a sportsbook. Comparing these odds can reveal insights into the 'wisdom of the crowd' and potential value bets.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of a share directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more people trade, the price adjusts to reflect the collective prediction. This dynamic pricing ensures that the market odds are constantly updated based on the latest information and sentiment, providing a real-time assessment of the Sweeny-Musetti match's potential results.
This market resolves around Sep 9, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Sweeny-Musetti match as determined by the ATP tour. This includes confirmation of the winner and any relevant match details. Traders will be able to claim their winnings based on the final outcome, and the market will be closed once the result is officially verified. The platform ensures a transparent and reliable resolution process.
Several factors could influence this market before the Sep 9, 2026 resolution. Any news regarding player injuries to either Sweeny or Musetti would significantly impact the odds. Changes in their recent performance, announcements about playing conditions, or even weather forecasts could also shift the market. Unexpected upsets in other matches leading up to this one might also affect trader sentiment. Furthermore, any significant public endorsements or analysis predicting a clear winner could drive trading activity and alter the implied probabilities within this market.