TOTAL VOLUME:

$134.2b

24H VOL:

$134,145,987

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,441,166,947

406,422

Markets across

30,383

events

MATCHED EVENTS:

2,688

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic

Volume:
$126,721

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic

 - Polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 25, 2026

Closed: Aug 25, 3:50 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic

View
100%
71%
Yes 100¢No 0¢
0.1¢
N/A
$124,281
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 23.5

100%
2%
Yes 100¢No 0¢
0.1¢
N/A
$116
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 8.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$42
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 21.5

100%
56%
Yes 100¢No 0¢
0.1¢
N/A
$32
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 Winner

100%
63%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 Winner

0%
46%
Yes 0¢No 100¢
—
N/A
$2,170
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set Handicap +/-1.5

0%
49%
Yes 0¢No 100¢
—
N/A
$40
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 10.5

0%
99%
Yes 0¢No 100¢
—
N/A
$30
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Game Spread +/-4.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 8.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Total Sets: O/U 2.5

100%
66%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 22.5

100%
60%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 9.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 9.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 10.5

0%
99%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Description

This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Teodora Kostovic. This market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Arantxa Rus. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), 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.

Polymarket

This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Teodora Kostovic. This market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Arantxa Rus. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), 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.

Frequently asked questions

Prediction market odds in this market often differ from traditional sportsbook lines due to the speculative nature of trader positioning. While sportsbooks may set their lines based on broader analytics and historical trends, prediction markets reflect the real-time consensus of participants betting on the specific outcome. This can lead to tighter spreads or sharper divergences, especially as new information emerges about player form or conditions.

This market resolves around Sep 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market status accordingly based on confirmed data from accepted sources.