TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 4, 6:41 PM EST
Kalshi
This market focuses on predicting which player will win the first set of a professional tennis match between Tomas Martin Etcheverry and Mariano Navone at the 2026 US Open. The outcome depends solely on the result of the first set, regardless of the overall match result. It reflects the competitive dynamics and performance of both players in the early stages of their encounter.
The market resolves based on which player wins the first set of the specified professional tennis match. If the match does not commence due to injury, walkover, forfeiture, or cancellation before any ball is played, the market settles at a fair price. Postponements or delays do not close the market; it remains open until the rescheduled match concludes, with a two-week window for closure after the match ends. In cases of retirement during the match, any markets that can be definitively settled based on completed play will do so, while unresolved markets will settle at a fair market price determined by the Exchange. The Exchange retains sole discretion in determining fair market prices when necessary.