TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Mertens vs Osaka
kalshi

Who will win Mertens vs Osaka?

Volume:
$2,470,373

Naomi Osaka

 - Kalshi

Naomi Osaka - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 8, 2026

Closed: Aug 7, 7:40 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

Naomi Osaka

View
100%
31%
Yes 100¢No 0¢
100¢
N/A
$1,215,323
N/A
N/A
$781,736
Settled
Yes
kalshi

Elise Mertens

View
0%
32%
Yes 0¢No 100¢
100¢
N/A
$1,255,050
N/A
N/A
$878,718
Settled
No
Total markets: 2

Description

Another compelling tennis encounter features two skilled athletes battling for a crucial victory. The outcome will influence their positions in the tournament and could shape their season trajectories.

Kalshi

The market resolves to Yes if the specified player wins the Mertens vs Osaka professional tennis match in the 2026 WTA Toronto Round Of 32 after a ball has been played. If the match does not occur due to a player injury, walkover, forfeiture, or any other cancellation before the match starts, the market resolves to a fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match finishes within two weeks.