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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Madison Keys vs Qinwen Zheng: Set 1 Winner
kalshi

Madison Keys vs Qinwen Zheng: Set 1 Winner

Volume:
$183,020

Madison Keys

 - Kalshi

Madison Keys - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 5, 2026

Closed: Sep 5, 11:42 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

Madison Keys

View
100%
39%
Yes 100¢No 0¢
100¢
N/A
$131,872
N/A
N/A
$80,254
Settled
Yes
kalshi

Qinwen Zheng

View
0%
Yes 0¢No 100¢
100¢
N/A
$51,149
N/A
N/A
$42,202
Settled
No
Total markets: 2

Description

The first set of this marquee tennis clash will set the tone for the entire encounter, with both athletes battling for early dominance under intense pressure from thousands of spectators.

Kalshi

If Madison Keys wins set 1 in the Madison Keys vs Qinwen Zheng professional tennis match in the 2026 US Open Women Singles Round Of 32, then the market resolves to Yes. If Qinwen Zheng wins set 1 in the Madison Keys vs Qinwen Zheng professional tennis match in the 2026 US Open Women Singles Round Of 32, then the market resolves to Yes.