TOTAL VOLUME:

$154.4b

24H VOL:

$230,589,906

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,885,293,300

410,482

Markets across

40,213

events

MATCHED EVENTS:

4,340

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Sara Bejlek vs Naomi Osaka: Set 1 Winner
kalshi

Sara Bejlek vs Naomi Osaka: Set 1 Winner

Volume:
$218,659

Naomi Osaka

 - Kalshi

Naomi Osaka - Kalshi

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Oct 4, 2026

Closed: Oct 4, 8:21 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

Naomi Osaka

View
100%
28%
Yes 100¢No 0¢
—
N/A
$165,145
N/A
N/A
$82,859
Settled
Yes
kalshi

Sara Bejlek

0%
Yes 0¢No 100¢
—
N/A
$53,515
N/A
N/A
$27,404
Settled
No
Total markets: 2

Description

This market focuses on predicting which player will win the first set of a professional tennis match between Sara Bejlek and Naomi Osaka. The outcome depends solely on the result of the first set, regardless of how the overall match proceeds. It reflects the competitive dynamics and performance of both players in the early stages of their contest.

Kalshi

The market resolves based on the winner of the first set in the Sara Bejlek vs Naomi Osaka match at the 2026 WTA Beijing Round of 32. If the match does not commence due to injury, walkover, forfeiture, or cancellation before any play occurs, the market settles at a fair price. Postponements or delays allow the market to remain open until the rescheduled match concludes, with a two-week window for closure. If a player retires during the match, markets determinable from completed play will resolve accordingly, while unresolved markets settle at a fair market price determined by the Exchange. Kalshi disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.