TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
Ben Shelton vs Tallon Griekspoor: Set 1 Winner
kalshi

Ben Shelton vs Tallon Griekspoor: Set 1 Winner

Volume:
$179,500

Tallon Griekspoor

 - Kalshi

Tallon Griekspoor - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 1, 2026

Closed: Aug 31, 8:05 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

Tallon Griekspoor

View
100%
Yes 100¢No 0¢
1¢
N/A
$65,426
N/A
N/A
$48,397
Settled
Yes
kalshi

Ben Shelton

0%
74%
Yes 0¢No 100¢
1¢
N/A
$114,075
N/A
N/A
$93,894
Settled
No
Total markets: 2

Description

This market focuses on predicting which player will win the first set of a tennis match between Ben Shelton and Tallon Griekspoor at the 2026 US Open. The outcome depends solely on the result of the first set, regardless of the final match result. It reflects the competitive dynamics and performance of both players in the early stages of their encounter.

Kalshi

The market resolves based on which player wins the first set of the Ben Shelton vs Tallon Griekspoor 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.

Frequently asked questions

On Kalshi, the Shelton vs Griekspoor Set 1 market dashboard tracks the current odds and price history for the outcome of set one between the two players. It also displays the latest trading volume and 24-hour volume of $179,500 and $179,260, letting you see how trader sentiment and activity are evolving in real time.

On Kalshi, traders in the Shelton vs Griekspoor Set 1 market set odds based on their expectations for the first set. These prediction market odds often differ from traditional sportsbook lines, reflecting a more granular view of short-term performance and match dynamics. While sportsbooks may offer broader match or set winner bets, this market isolates the first set specifically, which can lead to divergent pricing depending on recent form, head-to-head history, and court conditions. The contrast provides a unique perspective on where quantitative traders see value compared to conventional betting markets.

This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result hinges solely on who claims the first set in the match, as recorded by official tournament results and broadcast sources. No additional analysis or interpretation is needed beyond the match's documented progression.

Key signals include practice updates, injury reports, or weather conditions affecting play, all of which can shift expectations for early-set performance. Media commentary and betting trends may also influence trader sentiment. Any last-minute changes in player availability or surface conditions could dramatically alter odds as the match approaches, making this market sensitive to real-time developments right up to Aug 30, 2026.