TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

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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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Mary Stoiana vs Claire Liu: Set 1 Winner
kalshi

Mary Stoiana vs Claire Liu: Set 1 Winner

Volume:
$129,149

Mary Stoiana

 - Kalshi

Mary Stoiana - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 16, 2026

Closed: Sep 16, 12:39 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

Mary Stoiana

View
100%
Yes 100¢No 0¢
100¢
N/A
$46,053
N/A
N/A
$24,181
Settled
Yes
kalshi

Claire Liu

View
0%
55%
Yes 0¢No 100¢
100¢
N/A
$83,096
N/A
N/A
$64,331
Settled
No
Total markets: 2

Description

This market focuses on predicting which player, Mary Stoiana or Claire Liu, will win the first set of their upcoming professional tennis match. The outcome depends solely on the result of set one, regardless of the final match result. Settlement is contingent on the match actually taking place, with specific procedures for cancellations, postponements, or retirements.

Kalshi

If Mary Stoiana wins set 1 in the Mary Stoiana vs Claire Liu professional tennis match in the 2026 WTA Sao Paulo Round Of 32, then the market resolves to Yes. If Claire Liu wins set 1 in the Mary Stoiana vs Claire Liu professional tennis match in the 2026 WTA Sao Paulo Round Of 32, then the market resolves to Yes.