TOTAL VOLUME:

$154.4b

24H VOL:

$245,801,863

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,902,097,102

417,059

Markets across

40,178

events

MATCHED EVENTS:

4,415

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Katerina Siniakova vs Peyton Stearns: Set 1 Winner
kalshi

Katerina Siniakova vs Peyton Stearns: Set 1 Winner

Volume:
$25,937

Katerina Siniakova

 - Kalshi

Katerina Siniakova - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 20, 2026

Closed: Oct 20, 5:07 AM EST

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Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Katerina Siniakova

View
100%
Yes 100¢No 0¢
—
N/A
$11,020
N/A
N/A
$9,139
Settled
Yes
kalshi

Peyton Stearns

0%
Yes 0¢No 100¢
—
N/A
$14,917
N/A
N/A
$11,694
Settled
No
Total markets: 2

Description

Their match opens with the first set, where Katerina Siniakova and Peyton Stearns will each push to claim the early lead and establish control in this crucial opening stage.

Kalshi

If Katerina Siniakova wins set 1 in the Katerina Siniakova vs Peyton Stearns professional tennis match in the 2026 WTA Osaka Round Of 32, then the market resolves to Yes. If Peyton Stearns wins set 1 in the Katerina Siniakova vs Peyton Stearns professional tennis match in the 2026 WTA Osaka Round Of 32, then the market resolves to Yes.