US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova

Category: Sports
Ladder: Candidate ladder
Open: 16 markets
Liquidity: $193.4K
Closes: in 7d

Catalog updated 3m ago. Prices are indicative: the one that counts is fetched when a claim is published.

Resolution rules

This market refers to the tennis match between Marta Kostyuk and Ekaterina Alexandrova in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Ekaterina Alexandrova. This market will resolve to 'Ekaterina Alexandrova' if Ekaterina Alexandrova advances against Marta Kostyuk. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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.

Resolution is Polymarket's. insiderz only reads it.

The ladder

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US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova
Closes
in 7d
Liquidity
$55.7K
73.5%
bid 73.0% · ask 74.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 2 Winner
Set 2 Winner: Kostyuk vs Alexandrova
Closes
in 7d
Liquidity
$1.2K
68.0%
bid 64.0% · ask 72.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 1 Winner
Set 1 Winner: Kostyuk vs Alexandrova
Closes
in 7d
Liquidity
$28.4K
67.5%
bid 66.0% · ask 69.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 1 O/U 10.5
Kostyuk vs. Alexandrova: Set 1 Games O/U 10.5
Closes
in 7d
Liquidity
$1.1K
53.0%
bid 20.0% · ask 86.0%
Spread too wide to claim
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set Handicap +/-1.5
Set Handicap: Kostyuk (-1.5) vs Alexandrova (+1.5)
Closes
in 7d
Liquidity
$54.5K
50.5%
bid 49.0% · ask 52.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 2 O/U 10.5
Kostyuk vs. Alexandrova: Set 2 Games O/U 10.5
Closes
in 7d
Liquidity
$0.2
50.0%
bid 1.0% · ask 99.0%
Spread too wide to claim
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 2 O/U 8.5
Kostyuk vs. Alexandrova: Set 2 Games O/U 8.5
Closes
in 7d
Liquidity
$0.2
50.0%
bid 1.0% · ask 99.0%
Spread too wide to claim
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 2 O/U 9.5
Kostyuk vs. Alexandrova: Set 2 Games O/U 9.5
Closes
in 7d
Liquidity
$0.2
50.0%
bid 1.0% · ask 99.0%
Spread too wide to claim
Completed Match
US Open WTA: Completed Match: Marta Kostyuk vs Ekaterina Alexandrova
Closes
in 7d
Liquidity
$0.2
50.0%
bid 1.0% · ask 99.0%
Spread too wide to claim
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Match O/U 21.5
Kostyuk vs. Alexandrova: Match O/U 21.5
Closes
in 7d
Liquidity
$12.8K
47.5%
bid 46.0% · ask 49.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Game Spread +/-4.5
Game Spread: Kostyuk (-4.5) vs Alexandrova (+4.5)
Closes
in 7d
Liquidity
$7.6K
45.0%
bid 44.0% · ask 46.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 1 O/U 9.5
Kostyuk vs. Alexandrova: Set 1 Games O/U 9.5
Closes
in 7d
Liquidity
$4.8
45.0%
bid 40.0% · ask 50.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Match O/U 22.5
Kostyuk vs. Alexandrova: Match O/U 22.5
Closes
in 7d
Liquidity
$442.5
43.5%
bid 40.0% · ask 47.0%
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Match O/U 23.5
Kostyuk vs. Alexandrova: Match O/U 23.5
Closes
in 7d
Liquidity
$398.3
40.0%
bid 32.0% · ask 48.0%
Spread too wide to claim
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Set 1 O/U 8.5
Kostyuk vs. Alexandrova: Set 1 Games O/U 8.5
Closes
in 7d
Liquidity
$1.3K
36.5%
bid 3.0% · ask 70.0%
Spread too wide to claim
US Open WTA: Marta Kostyuk vs Ekaterina Alexandrova Total Sets: O/U 2.5
Marta Kostyuk vs. Ekaterina Alexandrova: Total Sets O/U 2.5
Closes
in 7d
Liquidity
$30.2K
35.5%
bid 34.0% · ask 37.0%

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