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%

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Maria vs Samson
kalshi

Maria vs Samson

Volume:
$290,053

Laura Samson

 - Kalshi

Laura Samson - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Apr 21, 2026

Closed: Apr 21, 7:00 AM 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

Laura Samson

View
100%
Yes 100¢No 0¢
—
N/A
$129,180
N/A
N/A
$79,468
Settled
Yes
kalshi

Tatjana Maria

View
0%
Yes 0¢No 100¢
—
N/A
$160,872
N/A
N/A
$128,531
Settled
No
Total markets: 2

Description

Two professional tennis players compete in a match at the 2026 WTA Madrid tournament during the early round. The match will be played to completion once play begins.