TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Kostyuk vs Hunter
kalshi

Who will win Kostyuk vs Hunter?

Volume:
$666,862

Marta Kostyuk

 - Kalshi

Marta Kostyuk - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 30, 2026

Closed: Aug 30, 3:36 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

Marta Kostyuk

View
100%
Yes 100¢No 0¢
1¢
N/A
$341,016
N/A
N/A
$250,968
Settled
Yes
kalshi

Storm Hunter

View
0%
12%
Yes 0¢No 100¢
1¢
N/A
$325,846
N/A
N/A
$159,494
Settled
No
Total markets: 2

Description

Two professional tennis players will compete in a first-round match at the 2026 US Open. The market focuses on which player will claim victory after the match officially begins.

Kalshi

Markets resolve to Yes only if the specified player wins the match after at least one ball has been played. If the match does not start due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. Kalshi disclaims any affiliation with the governing league, and all trademarks remain property of their respective owners.