TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 1, 6:54 PM EST
Kalshi
This market tracks which player—Arthur Fery or Lorenzo Musetti—will win the third set of their match at the 2026 US Open Men’s Singles Round of 128. Currently, Kalshi gives a 96.0% probability to Lorenzo Musetti winning the set, while Arthur Fery has a 2.0% probability. The market resolves based on the official result of the match as determined by the 2026 US Open, and specifically if Lorenzo Musetti wins set 3. Keep a close watch on the match itself, as the outcome will be determined by the events unfolding on August 30, 2026—the estimated resolution date for this market.
The market resolves based on which player wins the third set of the Arthur Fery vs Lorenzo Musetti match in the 2026 US Open Men Singles Round of 128. If the match does not occur before any play due to injury, walkover, forfeiture, or cancellation, it resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. If a player retires during the match, markets that can be settled based on completed play will resolve accordingly, while unresolved markets will settle at a fair market price determined by the Exchange. Kalshi is not affiliated with the governing league, and all trademarks remain property of their respective owners.
Prediction market odds on this market often differ from traditional sportsbook lines due to unique trader dynamics and betting patterns. While sportsbooks may set their lines based on broader analytics and public betting trends, prediction markets let participants bet directly on their insights, which can lead to sharper or more volatile pricing. Traders on Kalshi set prices based on their expectations for set three, independent of sportsbook influences, potentially offering alternative perspectives on the match outcome.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders actively set the price through their bids and offers, driving the current implied probability. The top outcome’s chance reflects collective wisdom from participants betting on who will claim Set 3, with liquidity and volume influencing how quickly prices adjust to new information or shifts in momentum during the match.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of Set 3 will be the sole determinant, based on officially recognized match results and statistics from the tournament organizers or widely trusted sports news outlets.
Key signals that could shift this market include player form in the first two sets, injury updates, changes in serving efficiency, and crowd energy. Any sudden momentum swings — such as a break of serve or a decisive run of games — may cause rapid repricing as traders reassess the likelihood of each player taking Set 3.