TOTAL VOLUME:

$134.2b

24H VOL:

$126,590,312

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2,388,728,490

OPEN INTEREST:

$1,439,516,703

404,175

Markets across

30,277

events

MATCHED EVENTS:

2,685

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Tiafoe vs Shelton
kalshi

Who will win Tiafoe vs Shelton?

Volume:
$18,082,614

Ben Shelton

 - Kalshi

Ben Shelton - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 12, 2026

Closed: Sep 11, 11:03 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Ben Shelton

View
100%
27%
Yes 100¢No 0¢
100¢
N/A
$7,288,455
N/A
N/A
$4,274,343
Settled
Yes
kalshi

Frances Tiafoe

View
0%
28%
Yes 0¢No 100¢
100¢
N/A
$10,794,158
N/A
N/A
$5,581,708
Settled
No
Total markets: 2

Description

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.

Kalshi

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.