TOTAL VOLUME:

$134.2b

24H VOL:

$134,145,987

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,441,166,947

406,422

Markets across

30,383

events

MATCHED EVENTS:

2,688

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Hanyu Guo vs Sofia Costoulas: Set 1 Winner
kalshi

Hanyu Guo vs Sofia Costoulas: Set 1 Winner

Volume:
$4,040

Hanyu Guo

 - Kalshi

Hanyu Guo - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved May 21, 2026

Closed: May 21, 8:22 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

Hanyu Guo

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,535
N/A
N/A
$2,369
Settled
Yes
kalshi

Sofia Costoulas

View
0%
Yes 0¢No 100¢
100¢
N/A
$1,505
N/A
N/A
$1,305
Settled
No
Total markets: 2

Description

Two professional tennis players compete in the first set of a Women's Singles Qualification Final match at the 2026 French Open. Regardless of which player wins the set, this event will occur.