TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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ATX Open: Petra Marcinko vs Kimberly Birrell
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell

Volume:
$77,984

ATX Open: Petra Marcinko vs Kimberly Birrell Match O/U 23.5

 - Polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Match O/U 23.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Feb 25, 2026

Marcinko vs. Birrell: Match O/U 23.5

100%chance
Amount

$

Trade on
polymarket

Trade on Polymarket

At 100¢ buys you 100 shares | Odds: 100% Total Payout: $100 | Net Profit: $0 Multiplier: 1.00x | ROI: 0% | APY: N/A Illiquid market
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Match O/U 23.5

100%
Yes 100¢No 0¢
—
N/A
$5,672
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Set 1 Winner

100%
Yes 100¢No 0¢
—
N/A
$524
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Match O/U 21.5

100%
Yes 100¢No 0¢
—
N/A
$167
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Total Sets: O/U 2.5

100%
Yes 100¢No 0¢
—
N/A
$118
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Match O/U 22.5

100%
Yes 100¢No 0¢
—
N/A
$66
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell

0%
Yes 0¢No 100¢
—
N/A
$67,107
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$2,812
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Set 1 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
$1,429
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$68
0%
N/A
N/A
N/A
polymarket

ATX Open: Petra Marcinko vs Kimberly Birrell Set 1 O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
$21
0%
N/A
N/A
N/A
Total markets: 10

Description

This market refers on the tennis match between Petra Marcinko and Kimberly Birrell in the ATX Open, scheduled for February 23 at 11:00AM ET. This market will resolve to 'Marcinko' if Petra Marcinko advances against Kimberly Birrell. This market will resolve to 'Birrell' if Kimberly Birrell advances against Petra Marcinko. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.