TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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WTA Madrid Open Winner
kalshi

WTA Madrid Open Winner

Volume:
$69,102

Marta Kostyuk

 - Kalshi

Marta Kostyuk - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved May 2, 2026

Closed: May 2, 12:37 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¢
44¢
N/A
$9,257
N/A
N/A
$7,132
Settled
Yes
kalshi

Aryna Sabalenka

View
0%
Yes 0¢No 100¢
1¢
N/A
$21,136
N/A
N/A
$15,807
Settled
No
kalshi

Mirra Andreeva

View
0%
Yes 0¢No 100¢
35¢
N/A
$13,370
N/A
N/A
$10,365
Settled
No
kalshi

Elena Rybakina

View
0%
Yes 0¢No 100¢
1¢
N/A
$6,307
N/A
N/A
$4,720
Settled
No
kalshi

Anastasia Potapova

View
0%
Yes 0¢No 100¢
1¢
N/A
$5,368
N/A
N/A
$4,902
Settled
No
kalshi

Hailey Baptiste

View
0%
Yes 0¢No 100¢
1¢
N/A
$3,332
N/A
N/A
$2,334
Settled
No
kalshi

Linda Noskova

View
0%
Yes 0¢No 100¢
1¢
N/A
$1,797
N/A
N/A
$1,432
Settled
No
kalshi

Coco Gauff

View
0%
Yes 0¢No 100¢
1¢
N/A
$1,156
N/A
N/A
$947
Settled
No
kalshi

Jasmine Paolini

View
0%
Yes 0¢No 100¢
1¢
N/A
$1,132
N/A
N/A
$1
Settled
No
kalshi

Belinda Bencic

View
0%
Yes 0¢No 100¢
1¢
N/A
$1,100
N/A
N/A
$1,066
Settled
No
kalshi

Jessica Pegula

View
0%
Yes 0¢No 100¢
1¢
N/A
$1,042
N/A
N/A
$1,017
Settled
No
kalshi

Naomi Osaka

View
0%
Yes 0¢No 100¢
1¢
N/A
$1,009
N/A
N/A
$935
Settled
No
kalshi

Iga Swiatek

View
0%
Yes 0¢No 100¢
1¢
N/A
$768
N/A
N/A
$734
Settled
No
kalshi

Karolina Pliskova

View
0%
Yes 0¢No 100¢
1¢
N/A
$572
N/A
N/A
$507
Settled
No
kalshi

Amanda Anisimova

View
0%
Yes 0¢No 100¢
3¢
N/A
$508
N/A
N/A
$508
Settled
No
kalshi

Madison Keys

View
0%
Yes 0¢No 100¢
1¢
N/A
$405
N/A
N/A
$363
Settled
No
kalshi

Elina Svitolina

View
0%
Yes 0¢No 100¢
1¢
N/A
$355
N/A
N/A
$289
Settled
No
kalshi

Leylah Annie Fernandez

View
0%
Yes 0¢No 100¢
1¢
N/A
$338
N/A
N/A
$333
Settled
No
kalshi

Iva Jovic

View
0%
Yes 0¢No 100¢
1¢
N/A
$124
N/A
N/A
$114
Settled
No
kalshi

Victoria Mboko

View
0%
Yes 0¢No 100¢
1¢
N/A
$17
N/A
N/A
$12
Settled
No
kalshi

Venus Williams

View
0%
Yes 0¢No 100¢
1¢
N/A
$10
N/A
N/A
N/A
Settled
No
Total markets: 21

Description

Professional female tennis players will compete in the 2026 WTA Madrid Open tournament. A champion will be crowned in this prestigious annual tennis competition held in Madrid.