TOTAL VOLUME:

$134b

24H VOL:

$87,997,338

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,395,155,069

395,664

Markets across

30,076

events

MATCHED EVENTS:

2,626

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Johnston vs Sarr
kalshi

Johnston vs Sarr

Volume:
$396,069

Jelani Sarr

 - Kalshi

Jelani Sarr - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 28, 2026

Closed: Jul 28, 7:47 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

Jelani Sarr

View
100%
Yes 100¢No 0¢
100¢
N/A
$215,054
N/A
N/A
$97,649
Settled
Yes
kalshi

Noah Johnston

View
0%
Yes 0¢No 100¢
100¢
N/A
$181,015
N/A
N/A
$91,537
Settled
No
Total markets: 2

Description

Two tennis competitors will play a match where the victor is decided by their in-game performance. The result is subject to change if the contest is canceled or if a participant drops out after play has begun.

Kalshi

The market resolves to Yes for the specified player if they win the Johnston vs Sarr professional tennis match in the 2026 M25 Edwardsville IL Round of 16 after a ball has been played. If the match does not occur due to a player injury, walkover, forfeiture, or any other cancellation before the match starts, all markets will resolve to $0.50. If a player withdraws or forfeits after the match has started, that player will resolve to No. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished, provided it concludes within two weeks.