TOTAL VOLUME:

$134b

24H VOL:

$107,351,958

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

events

MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
Heliovaara / Patten vs Arnaldi / Struff J-L
kalshi

Heliovaara / Patten vs Arnaldi / Struff J-L

Volume:
$51,501

Harri Heliovaara / Henry Patten

 - Kalshi

Harri Heliovaara / Henry Patten - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 6, 2026

Closed: Sep 6, 12:30 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

Harri Heliovaara / Henry Patten

View
100%
Yes 100¢No 0¢
100¢
N/A
$18,960
N/A
N/A
$16,044
Settled
Yes
kalshi

Matteo Arnaldi / Jan-Lennard Struff

View
0%
25%
Yes 0¢No 100¢
100¢
N/A
$32,541
N/A
N/A
$30,232
Settled
No
Total markets: 2

Description

This event tracks the outcome of a professional tennis doubles match at the 2026 US Open. It focuses on which of the two competing teams will emerge victorious after the match begins play. The result is determined solely by the on-court performance of the players once the match is underway.

Kalshi

The event resolves based on the winner of the Heliovaara / Patten vs Arnaldi / Struff J-L professional tennis match in the 2026 US Open Men Doubles Round Of 32, provided that play has commenced. If the match does not occur due to injury, walkover, forfeiture, or other cancellation before any ball is played, the market resolves to a fair price. Postponements or delays do not close the market; it remains open until the rescheduled match concludes, with a closure deadline of two weeks after the match finishes. The market is independent of the governing league, and all trademarks remain property of their respective owners.