TOTAL VOLUME:
$139.4b
24H VOL:
$152,239,259
24H TRANSACTIONS:
2,540,891,627
OPEN INTEREST:
$1,622,981,384
471,589
Markets across
36,389
events
MATCHED EVENTS:
2,918
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 11, 11:03 PM EST
Kalshi
This market focuses on the outcome of a professional tennis match between Frances Tiafoe and Ben Shelton at the 2026 US Open Men Singles Semifinal. It tracks who will win the match after play has officially begun. The market accounts for potential match disruptions such as injuries, cancellations, or postponements.
The market resolves based on the winner of the Tiafoe vs Shelton professional tennis match in the 2026 US Open Men Singles Semifinal, provided that at least one ball has been played. If the match does not occur before any play due to injury, walkover, forfeiture, or other cancellation, the market will resolve to a fair price. If the match is postponed or delayed, the market remains open and will close after the rescheduled match concludes, with a two-week window for final resolution. Kalshi clarifies that it is not affiliated with the governing league, and all trademarks remain property of their respective owners.